Finding the Third Proportional to 18,045.56 and 27,772.88

Step by Step Solution

1. Step 1: Write the proportion equation
   18,045.56 : 27,772.88 = 27,772.88 : x
2. Step 2: Convert to fraction form
   18,045.56/27,772.88 = 27,772.88/x
3. Step 3: Cross multiply
   18,045.56x = 27,772.88 × 27,772.88
4. Step 4: Simplify right side
   18,045.56x = 771,332,585.77
5. Step 5: Solve for x
   x = 771,332,585.77/18,045.56
6. Step 6: Final answer
   x = 42,743.62