Finding the Third Proportional to 39,877.50 and 61,708.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,877.50 : 61,708.50 = 61,708.50 : x
2. Step 2: Convert to fraction form
   39,877.50/61,708.50 = 61,708.50/x
3. Step 3: Cross multiply
   39,877.50x = 61,708.50 × 61,708.50
4. Step 4: Simplify right side
   39,877.50x = 3,807,938,972.25
5. Step 5: Solve for x
   x = 3,807,938,972.25/39,877.50
6. Step 6: Final answer
   x = 95,490.92