Finding the Third Proportional to 87,340.50 and 187,146

Step by Step Solution

1. Step 1: Write the proportion equation
   87,340.50 : 187,146 = 187,146 : x
2. Step 2: Convert to fraction form
   87,340.50/187,146 = 187,146/x
3. Step 3: Cross multiply
   87,340.50x = 187,146 × 187,146
4. Step 4: Simplify right side
   87,340.50x = 35,023,625,316
5. Step 5: Solve for x
   x = 35,023,625,316/87,340.50
6. Step 6: Final answer
   x = 401,000.97