Finding the Third Proportional to 16,702.50 and 38,839.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,702.50 : 38,839.50 = 38,839.50 : x
2. Step 2: Convert to fraction form
   16,702.50/38,839.50 = 38,839.50/x
3. Step 3: Cross multiply
   16,702.50x = 38,839.50 × 38,839.50
4. Step 4: Simplify right side
   16,702.50x = 1,508,506,760.25
5. Step 5: Solve for x
   x = 1,508,506,760.25/16,702.50
6. Step 6: Final answer
   x = 90,316.23