Finding the Third Proportional to 13,081.50 and 31,200.19

Step by Step Solution

1. Step 1: Write the proportion equation
   13,081.50 : 31,200.19 = 31,200.19 : x
2. Step 2: Convert to fraction form
   13,081.50/31,200.19 = 31,200.19/x
3. Step 3: Cross multiply
   13,081.50x = 31,200.19 × 31,200.19
4. Step 4: Simplify right side
   13,081.50x = 973,451,700.04
5. Step 5: Solve for x
   x = 973,451,700.04/13,081.50
6. Step 6: Final answer
   x = 74,414.38