Finding the Third Proportional to 11,571,862,113 and 25,116,433,218

Step by Step Solution

1. Step 1: Write the proportion equation
   11,571,862,113 : 25,116,433,218 = 25,116,433,218 : x
2. Step 2: Convert to fraction form
   11,571,862,113/25,116,433,218 = 25,116,433,218/x
3. Step 3: Cross multiply
   11,571,862,113x = 25,116,433,218 × 25,116,433,218
4. Step 4: Simplify right side
   11,571,862,113x = 630,835,217,594,253,836,288
5. Step 5: Solve for x
   x = 630,835,217,594,253,836,288/11,571,862,113
6. Step 6: Final answer
   x = 54,514,581,269.13