Finding the Third Proportional to 79,471.50 and 111,386.25

Step by Step Solution

1. Step 1: Write the proportion equation
   79,471.50 : 111,386.25 = 111,386.25 : x
2. Step 2: Convert to fraction form
   79,471.50/111,386.25 = 111,386.25/x
3. Step 3: Cross multiply
   79,471.50x = 111,386.25 × 111,386.25
4. Step 4: Simplify right side
   79,471.50x = 12,406,896,689.06
5. Step 5: Solve for x
   x = 12,406,896,689.06/79,471.50
6. Step 6: Final answer
   x = 156,117.56