Finding the Third Proportional to 43,655,422.50 and 72,754,653

Step by Step Solution

1. Step 1: Write the proportion equation
   43,655,422.50 : 72,754,653 = 72,754,653 : x
2. Step 2: Convert to fraction form
   43,655,422.50/72,754,653 = 72,754,653/x
3. Step 3: Cross multiply
   43,655,422.50x = 72,754,653 × 72,754,653
4. Step 4: Simplify right side
   43,655,422.50x = 5,293,239,533,150,409
5. Step 5: Solve for x
   x = 5,293,239,533,150,409/43,655,422.50
6. Step 6: Final answer
   x = 121,250,447.94