Finding the Third Proportional to 40,792.50 and 86,478.75

Step by Step Solution

1. Step 1: Write the proportion equation
   40,792.50 : 86,478.75 = 86,478.75 : x
2. Step 2: Convert to fraction form
   40,792.50/86,478.75 = 86,478.75/x
3. Step 3: Cross multiply
   40,792.50x = 86,478.75 × 86,478.75
4. Step 4: Simplify right side
   40,792.50x = 7,478,574,201.56
5. Step 5: Solve for x
   x = 7,478,574,201.56/40,792.50
6. Step 6: Final answer
   x = 183,332.09