Finding the Third Proportional to 18,552.38 and 27,988.88

Step by Step Solution

1. Step 1: Write the proportion equation
   18,552.38 : 27,988.88 = 27,988.88 : x
2. Step 2: Convert to fraction form
   18,552.38/27,988.88 = 27,988.88/x
3. Step 3: Cross multiply
   18,552.38x = 27,988.88 × 27,988.88
4. Step 4: Simplify right side
   18,552.38x = 783,377,123.77
5. Step 5: Solve for x
   x = 783,377,123.77/18,552.38
6. Step 6: Final answer
   x = 42,225.17