Finding the Third Proportional to 17,898 and 27,672.75

Step by Step Solution

1. Step 1: Write the proportion equation
   17,898 : 27,672.75 = 27,672.75 : x
2. Step 2: Convert to fraction form
   17,898/27,672.75 = 27,672.75/x
3. Step 3: Cross multiply
   17,898x = 27,672.75 × 27,672.75
4. Step 4: Simplify right side
   17,898x = 765,781,092.56
5. Step 5: Solve for x
   x = 765,781,092.56/17,898
6. Step 6: Final answer
   x = 42,785.85