Finding the Third Proportional to 89,412 and 132,572

Step by Step Solution

1. Step 1: Write the proportion equation
   89,412 : 132,572 = 132,572 : x
2. Step 2: Convert to fraction form
   89,412/132,572 = 132,572/x
3. Step 3: Cross multiply
   89,412x = 132,572 × 132,572
4. Step 4: Simplify right side
   89,412x = 17,575,335,184
5. Step 5: Solve for x
   x = 17,575,335,184/89,412
6. Step 6: Final answer
   x = 196,565.73