Finding the Third Proportional to 40,090.50 and 86,598

Step by Step Solution

1. Step 1: Write the proportion equation
   40,090.50 : 86,598 = 86,598 : x
2. Step 2: Convert to fraction form
   40,090.50/86,598 = 86,598/x
3. Step 3: Cross multiply
   40,090.50x = 86,598 × 86,598
4. Step 4: Simplify right side
   40,090.50x = 7,499,213,604
5. Step 5: Solve for x
   x = 7,499,213,604/40,090.50
6. Step 6: Final answer
   x = 187,057.12