Finding the Third Proportional to 48,640.50 and 65,002.50

Step by Step Solution

1. Step 1: Write the proportion equation
   48,640.50 : 65,002.50 = 65,002.50 : x
2. Step 2: Convert to fraction form
   48,640.50/65,002.50 = 65,002.50/x
3. Step 3: Cross multiply
   48,640.50x = 65,002.50 × 65,002.50
4. Step 4: Simplify right side
   48,640.50x = 4,225,325,006.25
5. Step 5: Solve for x
   x = 4,225,325,006.25/48,640.50
6. Step 6: Final answer
   x = 86,868.45