Finding the Third Proportional to 5,611.78 and 12,127.22

Step by Step Solution

1. Step 1: Write the proportion equation
   5,611.78 : 12,127.22 = 12,127.22 : x
2. Step 2: Convert to fraction form
   5,611.78/12,127.22 = 12,127.22/x
3. Step 3: Cross multiply
   5,611.78x = 12,127.22 × 12,127.22
4. Step 4: Simplify right side
   5,611.78x = 147,069,434.61
5. Step 5: Solve for x
   x = 147,069,434.61/5,611.78
6. Step 6: Final answer
   x = 26,207.26