Finding the Third Proportional to 40,478.50 and 61,283.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,478.50 : 61,283.50 = 61,283.50 : x
2. Step 2: Convert to fraction form
   40,478.50/61,283.50 = 61,283.50/x
3. Step 3: Cross multiply
   40,478.50x = 61,283.50 × 61,283.50
4. Step 4: Simplify right side
   40,478.50x = 3,755,667,372.25
5. Step 5: Solve for x
   x = 3,755,667,372.25/40,478.50
6. Step 6: Final answer
   x = 92,781.78