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Finding the Third Proportional to 3,916,978,917 and 8,603,458,677

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Solution

The third proportional to 3,916,978,917 and 8,603,458,677 is: 18,897,089,510.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916,978,917 : 8,603,458,677 = 8,603,458,677 : x
  2. Step 2: Convert to fraction form
    3,916,978,917/8,603,458,677 = 8,603,458,677/x
  3. Step 3: Cross multiply
    3,916,978,917x = 8,603,458,677 × 8,603,458,677
  4. Step 4: Simplify right side
    3,916,978,917x = 74,019,501,206,846,586,880
  5. Step 5: Solve for x
    x = 74,019,501,206,846,586,880/3,916,978,917
  6. Step 6: Final answer
    x = 18,897,089,510.90

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