Finding the Third Proportional to 79,472 and 111,396

Step by Step Solution

1. Step 1: Write the proportion equation
   79,472 : 111,396 = 111,396 : x
2. Step 2: Convert to fraction form
   79,472/111,396 = 111,396/x
3. Step 3: Cross multiply
   79,472x = 111,396 × 111,396
4. Step 4: Simplify right side
   79,472x = 12,409,068,816
5. Step 5: Solve for x
   x = 12,409,068,816/79,472
6. Step 6: Final answer
   x = 156,143.91