Finding the Third Proportional to 645,988,110 and 1,417,040,910

Step by Step Solution

1. Step 1: Write the proportion equation
   645,988,110 : 1,417,040,910 = 1,417,040,910 : x
2. Step 2: Convert to fraction form
   645,988,110/1,417,040,910 = 1,417,040,910/x
3. Step 3: Cross multiply
   645,988,110x = 1,417,040,910 × 1,417,040,910
4. Step 4: Simplify right side
   645,988,110x = 2,008,004,940,613,628,160
5. Step 5: Solve for x
   x = 2,008,004,940,613,628,160/645,988,110
6. Step 6: Final answer
   x = 3,108,423,993.46