Finding the Third Proportional to 48,553.50 and 65,599.50

Step by Step Solution

1. Step 1: Write the proportion equation
   48,553.50 : 65,599.50 = 65,599.50 : x
2. Step 2: Convert to fraction form
   48,553.50/65,599.50 = 65,599.50/x
3. Step 3: Cross multiply
   48,553.50x = 65,599.50 × 65,599.50
4. Step 4: Simplify right side
   48,553.50x = 4,303,294,400.25
5. Step 5: Solve for x
   x = 4,303,294,400.25/48,553.50
6. Step 6: Final answer
   x = 88,629.95