Finding the Third Proportional to 71,747.72 and 111,982.22

Step by Step Solution

1. Step 1: Write the proportion equation
   71,747.72 : 111,982.22 = 111,982.22 : x
2. Step 2: Convert to fraction form
   71,747.72/111,982.22 = 111,982.22/x
3. Step 3: Cross multiply
   71,747.72x = 111,982.22 × 111,982.22
4. Step 4: Simplify right side
   71,747.72x = 12,540,017,316.17
5. Step 5: Solve for x
   x = 12,540,017,316.17/71,747.72
6. Step 6: Final answer
   x = 174,779.32