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Finding the Third Proportional to 1,425,191 and 2,139,663

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Solution

The third proportional to 1,425,191 and 2,139,663 is: 3,212,311.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,191 : 2,139,663 = 2,139,663 : x
  2. Step 2: Convert to fraction form
    1,425,191/2,139,663 = 2,139,663/x
  3. Step 3: Cross multiply
    1,425,191x = 2,139,663 × 2,139,663
  4. Step 4: Simplify right side
    1,425,191x = 4,578,157,753,569
  5. Step 5: Solve for x
    x = 4,578,157,753,569/1,425,191
  6. Step 6: Final answer
    x = 3,212,311.72

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