Finding the Third Proportional to 12,731.25 and 30,100.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,731.25 : 30,100.50 = 30,100.50 : x
2. Step 2: Convert to fraction form
   12,731.25/30,100.50 = 30,100.50/x
3. Step 3: Cross multiply
   12,731.25x = 30,100.50 × 30,100.50
4. Step 4: Simplify right side
   12,731.25x = 906,040,100.25
5. Step 5: Solve for x
   x = 906,040,100.25/12,731.25
6. Step 6: Final answer
   x = 71,166.63