Finding the Third Proportional to 87,511.50 and 191,061

Step by Step Solution

1. Step 1: Write the proportion equation
   87,511.50 : 191,061 = 191,061 : x
2. Step 2: Convert to fraction form
   87,511.50/191,061 = 191,061/x
3. Step 3: Cross multiply
   87,511.50x = 191,061 × 191,061
4. Step 4: Simplify right side
   87,511.50x = 36,504,305,721
5. Step 5: Solve for x
   x = 36,504,305,721/87,511.50
6. Step 6: Final answer
   x = 417,137.24