Finding the Third Proportional to 113,809,726.69 and 268,573,978.13

Step by Step Solution

1. Step 1: Write the proportion equation
   113,809,726.69 : 268,573,978.13 = 268,573,978.13 : x
2. Step 2: Convert to fraction form
   113,809,726.69/268,573,978.13 = 268,573,978.13/x
3. Step 3: Cross multiply
   113,809,726.69x = 268,573,978.13 × 268,573,978.13
4. Step 4: Simplify right side
   113,809,726.69x = 72,131,981,725,887,984
5. Step 5: Solve for x
   x = 72,131,981,725,887,984/113,809,726.69
6. Step 6: Final answer
   x = 633,794,525.52