Finding the Third Proportional to 56,279 and 132,850

Step by Step Solution

1. Step 1: Write the proportion equation
   56,279 : 132,850 = 132,850 : x
2. Step 2: Convert to fraction form
   56,279/132,850 = 132,850/x
3. Step 3: Cross multiply
   56,279x = 132,850 × 132,850
4. Step 4: Simplify right side
   56,279x = 17,649,122,500
5. Step 5: Solve for x
   x = 17,649,122,500/56,279
6. Step 6: Final answer
   x = 313,600.50