Finding the Third Proportional to 87,655.50 and 189,150.56

Step by Step Solution

1. Step 1: Write the proportion equation
   87,655.50 : 189,150.56 = 189,150.56 : x
2. Step 2: Convert to fraction form
   87,655.50/189,150.56 = 189,150.56/x
3. Step 3: Cross multiply
   87,655.50x = 189,150.56 × 189,150.56
4. Step 4: Simplify right side
   87,655.50x = 35,777,935,294.07
5. Step 5: Solve for x
   x = 35,777,935,294.07/87,655.50
6. Step 6: Final answer
   x = 408,165.32