Finding the Third Proportional to 295,155,802 and 645,913,892

Step by Step Solution

1. Step 1: Write the proportion equation
   295,155,802 : 645,913,892 = 645,913,892 : x
2. Step 2: Convert to fraction form
   295,155,802/645,913,892 = 645,913,892/x
3. Step 3: Cross multiply
   295,155,802x = 645,913,892 × 645,913,892
4. Step 4: Simplify right side
   295,155,802x = 417,204,755,878,587,648
5. Step 5: Solve for x
   x = 417,204,755,878,587,648/295,155,802
6. Step 6: Final answer
   x = 1,413,506,876.88