Finding the Third Proportional to 79,650 and 111,672

Step by Step Solution

1. Step 1: Write the proportion equation
   79,650 : 111,672 = 111,672 : x
2. Step 2: Convert to fraction form
   79,650/111,672 = 111,672/x
3. Step 3: Cross multiply
   79,650x = 111,672 × 111,672
4. Step 4: Simplify right side
   79,650x = 12,470,635,584
5. Step 5: Solve for x
   x = 12,470,635,584/79,650
6. Step 6: Final answer
   x = 156,567.93