Finding the Third Proportional to 40,891.50 and 59,990.63

Step by Step Solution

1. Step 1: Write the proportion equation
   40,891.50 : 59,990.63 = 59,990.63 : x
2. Step 2: Convert to fraction form
   40,891.50/59,990.63 = 59,990.63/x
3. Step 3: Cross multiply
   40,891.50x = 59,990.63 × 59,990.63
4. Step 4: Simplify right side
   40,891.50x = 3,598,875,087.89
5. Step 5: Solve for x
   x = 3,598,875,087.89/40,891.50
6. Step 6: Final answer
   x = 88,010.35