Finding the Third Proportional to 17,557.25 and 38,398.88

Step by Step Solution

1. Step 1: Write the proportion equation
   17,557.25 : 38,398.88 = 38,398.88 : x
2. Step 2: Convert to fraction form
   17,557.25/38,398.88 = 38,398.88/x
3. Step 3: Cross multiply
   17,557.25x = 38,398.88 × 38,398.88
4. Step 4: Simplify right side
   17,557.25x = 1,474,473,601.27
5. Step 5: Solve for x
   x = 1,474,473,601.27/17,557.25
6. Step 6: Final answer
   x = 83,980.90