Finding the Third Proportional to 56,776 and 132,612

Step by Step Solution

1. Step 1: Write the proportion equation
   56,776 : 132,612 = 132,612 : x
2. Step 2: Convert to fraction form
   56,776/132,612 = 132,612/x
3. Step 3: Cross multiply
   56,776x = 132,612 × 132,612
4. Step 4: Simplify right side
   56,776x = 17,585,942,544
5. Step 5: Solve for x
   x = 17,585,942,544/56,776
6. Step 6: Final answer
   x = 309,742.54