Finding the Third Proportional to 87,499.50 and 187,392

Step by Step Solution

1. Step 1: Write the proportion equation
   87,499.50 : 187,392 = 187,392 : x
2. Step 2: Convert to fraction form
   87,499.50/187,392 = 187,392/x
3. Step 3: Cross multiply
   87,499.50x = 187,392 × 187,392
4. Step 4: Simplify right side
   87,499.50x = 35,115,761,664
5. Step 5: Solve for x
   x = 35,115,761,664/87,499.50
6. Step 6: Final answer
   x = 401,325.28