Finding the Third Proportional to 87,008.50 and 190,824.50

Step by Step Solution

1. Step 1: Write the proportion equation
   87,008.50 : 190,824.50 = 190,824.50 : x
2. Step 2: Convert to fraction form
   87,008.50/190,824.50 = 190,824.50/x
3. Step 3: Cross multiply
   87,008.50x = 190,824.50 × 190,824.50
4. Step 4: Simplify right side
   87,008.50x = 36,413,989,800.25
5. Step 5: Solve for x
   x = 36,413,989,800.25/87,008.50
6. Step 6: Final answer
   x = 418,510.72