Finding the Third Proportional to 645,988,102 and 1,417,040,892

Step by Step Solution

1. Step 1: Write the proportion equation
   645,988,102 : 1,417,040,892 = 1,417,040,892 : x
2. Step 2: Convert to fraction form
   645,988,102/1,417,040,892 = 1,417,040,892/x
3. Step 3: Cross multiply
   645,988,102x = 1,417,040,892 × 1,417,040,892
4. Step 4: Simplify right side
   645,988,102x = 2,008,004,889,600,155,648
5. Step 5: Solve for x
   x = 2,008,004,889,600,155,648/645,988,102
6. Step 6: Final answer
   x = 3,108,423,952.99