Finding the Third Proportional to 645,988,101 and 1,417,040,891

Step by Step Solution

1. Step 1: Write the proportion equation
   645,988,101 : 1,417,040,891 = 1,417,040,891 : x
2. Step 2: Convert to fraction form
   645,988,101/1,417,040,891 = 1,417,040,891/x
3. Step 3: Cross multiply
   645,988,101x = 1,417,040,891 × 1,417,040,891
4. Step 4: Simplify right side
   645,988,101x = 2,008,004,886,766,073,856
5. Step 5: Solve for x
   x = 2,008,004,886,766,073,856/645,988,101
6. Step 6: Final answer
   x = 3,108,423,953.41