Finding the Third Proportional to 87,015.50 and 185,411

Step by Step Solution

1. Step 1: Write the proportion equation
   87,015.50 : 185,411 = 185,411 : x
2. Step 2: Convert to fraction form
   87,015.50/185,411 = 185,411/x
3. Step 3: Cross multiply
   87,015.50x = 185,411 × 185,411
4. Step 4: Simplify right side
   87,015.50x = 34,377,238,921
5. Step 5: Solve for x
   x = 34,377,238,921/87,015.50
6. Step 6: Final answer
   x = 395,070.29