Finding the Third Proportional to 40,892.50 and 87,696.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,892.50 : 87,696.50 = 87,696.50 : x
2. Step 2: Convert to fraction form
   40,892.50/87,696.50 = 87,696.50/x
3. Step 3: Cross multiply
   40,892.50x = 87,696.50 × 87,696.50
4. Step 4: Simplify right side
   40,892.50x = 7,690,676,112.25
5. Step 5: Solve for x
   x = 7,690,676,112.25/40,892.50
6. Step 6: Final answer
   x = 188,070.58