Finding the Third Proportional to 60,310.50 and 86,550

Step by Step Solution

1. Step 1: Write the proportion equation
   60,310.50 : 86,550 = 86,550 : x
2. Step 2: Convert to fraction form
   60,310.50/86,550 = 86,550/x
3. Step 3: Cross multiply
   60,310.50x = 86,550 × 86,550
4. Step 4: Simplify right side
   60,310.50x = 7,490,902,500
5. Step 5: Solve for x
   x = 7,490,902,500/60,310.50
6. Step 6: Final answer
   x = 124,205.61