Finding the Third Proportional to 329,580,820 and 498,613,056

Step by Step Solution

1. Step 1: Write the proportion equation
   329,580,820 : 498,613,056 = 498,613,056 : x
2. Step 2: Convert to fraction form
   329,580,820/498,613,056 = 498,613,056/x
3. Step 3: Cross multiply
   329,580,820x = 498,613,056 × 498,613,056
4. Step 4: Simplify right side
   329,580,820x = 248,614,979,613,659,136
5. Step 5: Solve for x
   x = 248,614,979,613,659,136/329,580,820
6. Step 6: Final answer
   x = 754,336,916.86