Finding the Third Proportional to 9,016.88 and 19,672.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,016.88 : 19,672.50 = 19,672.50 : x
2. Step 2: Convert to fraction form
   9,016.88/19,672.50 = 19,672.50/x
3. Step 3: Cross multiply
   9,016.88x = 19,672.50 × 19,672.50
4. Step 4: Simplify right side
   9,016.88x = 387,007,256.25
5. Step 5: Solve for x
   x = 387,007,256.25/9,016.88
6. Step 6: Final answer
   x = 42,920.33