Finding the Third Proportional to 39,862.50 and 61,072.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,862.50 : 61,072.50 = 61,072.50 : x
2. Step 2: Convert to fraction form
   39,862.50/61,072.50 = 61,072.50/x
3. Step 3: Cross multiply
   39,862.50x = 61,072.50 × 61,072.50
4. Step 4: Simplify right side
   39,862.50x = 3,729,850,256.25
5. Step 5: Solve for x
   x = 3,729,850,256.25/39,862.50
6. Step 6: Final answer
   x = 93,567.90