Finding the Third Proportional to 49,531.50 and 66,028.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,531.50 : 66,028.50 = 66,028.50 : x
2. Step 2: Convert to fraction form
   49,531.50/66,028.50 = 66,028.50/x
3. Step 3: Cross multiply
   49,531.50x = 66,028.50 × 66,028.50
4. Step 4: Simplify right side
   49,531.50x = 4,359,762,812.25
5. Step 5: Solve for x
   x = 4,359,762,812.25/49,531.50
6. Step 6: Final answer
   x = 88,020.00