Finding the Third Proportional to 12,271.50 and 29,220.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,271.50 : 29,220.75 = 29,220.75 : x
2. Step 2: Convert to fraction form
   12,271.50/29,220.75 = 29,220.75/x
3. Step 3: Cross multiply
   12,271.50x = 29,220.75 × 29,220.75
4. Step 4: Simplify right side
   12,271.50x = 853,852,230.56
5. Step 5: Solve for x
   x = 853,852,230.56/12,271.50
6. Step 6: Final answer
   x = 69,580.10