Finding the Third Proportional to 90,463.50 and 125,003.25

Step by Step Solution

1. Step 1: Write the proportion equation
   90,463.50 : 125,003.25 = 125,003.25 : x
2. Step 2: Convert to fraction form
   90,463.50/125,003.25 = 125,003.25/x
3. Step 3: Cross multiply
   90,463.50x = 125,003.25 × 125,003.25
4. Step 4: Simplify right side
   90,463.50x = 15,625,812,510.56
5. Step 5: Solve for x
   x = 15,625,812,510.56/90,463.50
6. Step 6: Final answer
   x = 172,730.58