Finding the Third Proportional to 656,067,629 and 1,338,530,145

Step by Step Solution

1. Step 1: Write the proportion equation
   656,067,629 : 1,338,530,145 = 1,338,530,145 : x
2. Step 2: Convert to fraction form
   656,067,629/1,338,530,145 = 1,338,530,145/x
3. Step 3: Cross multiply
   656,067,629x = 1,338,530,145 × 1,338,530,145
4. Step 4: Simplify right side
   656,067,629x = 1,791,662,949,073,721,088
5. Step 5: Solve for x
   x = 1,791,662,949,073,721,088/656,067,629
6. Step 6: Final answer
   x = 2,730,911,982.05