Finding the Third Proportional to 132,412.50 and 189,155.25

Step by Step Solution

1. Step 1: Write the proportion equation
   132,412.50 : 189,155.25 = 189,155.25 : x
2. Step 2: Convert to fraction form
   132,412.50/189,155.25 = 189,155.25/x
3. Step 3: Cross multiply
   132,412.50x = 189,155.25 × 189,155.25
4. Step 4: Simplify right side
   132,412.50x = 35,779,708,602.56
5. Step 5: Solve for x
   x = 35,779,708,602.56/132,412.50
6. Step 6: Final answer
   x = 270,213.98