Finding the Third Proportional to 12,143.25 and 26,611.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,143.25 : 26,611.88 = 26,611.88 : x
2. Step 2: Convert to fraction form
   12,143.25/26,611.88 = 26,611.88/x
3. Step 3: Cross multiply
   12,143.25x = 26,611.88 × 26,611.88
4. Step 4: Simplify right side
   12,143.25x = 708,191,891.02
5. Step 5: Solve for x
   x = 708,191,891.02/12,143.25
6. Step 6: Final answer
   x = 58,319.80