Finding the Third Proportional to 48,559.50 and 65,605.50

Step by Step Solution

1. Step 1: Write the proportion equation
   48,559.50 : 65,605.50 = 65,605.50 : x
2. Step 2: Convert to fraction form
   48,559.50/65,605.50 = 65,605.50/x
3. Step 3: Cross multiply
   48,559.50x = 65,605.50 × 65,605.50
4. Step 4: Simplify right side
   48,559.50x = 4,304,081,630.25
5. Step 5: Solve for x
   x = 4,304,081,630.25/48,559.50
6. Step 6: Final answer
   x = 88,635.21