Finding the Third Proportional to 645,988,099 and 1,417,040,887

Step by Step Solution

1. Step 1: Write the proportion equation
   645,988,099 : 1,417,040,887 = 1,417,040,887 : x
2. Step 2: Convert to fraction form
   645,988,099/1,417,040,887 = 1,417,040,887/x
3. Step 3: Cross multiply
   645,988,099x = 1,417,040,887 × 1,417,040,887
4. Step 4: Simplify right side
   645,988,099x = 2,008,004,875,429,746,688
5. Step 5: Solve for x
   x = 2,008,004,875,429,746,688/645,988,099
6. Step 6: Final answer
   x = 3,108,423,945.48