Finding the Third Proportional to 12,981 and 28,240.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,981 : 28,240.50 = 28,240.50 : x
2. Step 2: Convert to fraction form
   12,981/28,240.50 = 28,240.50/x
3. Step 3: Cross multiply
   12,981x = 28,240.50 × 28,240.50
4. Step 4: Simplify right side
   12,981x = 797,525,840.25
5. Step 5: Solve for x
   x = 797,525,840.25/12,981
6. Step 6: Final answer
   x = 61,437.94