Finding the Third Proportional to 80,676 and 112,842

Step by Step Solution

1. Step 1: Write the proportion equation
   80,676 : 112,842 = 112,842 : x
2. Step 2: Convert to fraction form
   80,676/112,842 = 112,842/x
3. Step 3: Cross multiply
   80,676x = 112,842 × 112,842
4. Step 4: Simplify right side
   80,676x = 12,733,316,964
5. Step 5: Solve for x
   x = 12,733,316,964/80,676
6. Step 6: Final answer
   x = 157,832.78