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Finding the Third Proportional to 1,978,938 and 4,311,994.50

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Solution

The third proportional to 1,978,938 and 4,311,994.50 is: 9,395,593.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,938 : 4,311,994.50 = 4,311,994.50 : x
  2. Step 2: Convert to fraction form
    1,978,938/4,311,994.50 = 4,311,994.50/x
  3. Step 3: Cross multiply
    1,978,938x = 4,311,994.50 × 4,311,994.50
  4. Step 4: Simplify right side
    1,978,938x = 18,593,296,568,030.25
  5. Step 5: Solve for x
    x = 18,593,296,568,030.25/1,978,938
  6. Step 6: Final answer
    x = 9,395,593.28

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