Finding the Third Proportional to 88,160.50 and 189,578

Step by Step Solution

1. Step 1: Write the proportion equation
   88,160.50 : 189,578 = 189,578 : x
2. Step 2: Convert to fraction form
   88,160.50/189,578 = 189,578/x
3. Step 3: Cross multiply
   88,160.50x = 189,578 × 189,578
4. Step 4: Simplify right side
   88,160.50x = 35,939,818,084
5. Step 5: Solve for x
   x = 35,939,818,084/88,160.50
6. Step 6: Final answer
   x = 407,663.50