Finding the Third Proportional to 45,411.75 and 72,240.75

Step by Step Solution

1. Step 1: Write the proportion equation
   45,411.75 : 72,240.75 = 72,240.75 : x
2. Step 2: Convert to fraction form
   45,411.75/72,240.75 = 72,240.75/x
3. Step 3: Cross multiply
   45,411.75x = 72,240.75 × 72,240.75
4. Step 4: Simplify right side
   45,411.75x = 5,218,725,960.56
5. Step 5: Solve for x
   x = 5,218,725,960.56/45,411.75
6. Step 6: Final answer
   x = 114,920.17