Finding the Third Proportional to 17,251.31 and 38,419.31

Step by Step Solution

1. Step 1: Write the proportion equation
   17,251.31 : 38,419.31 = 38,419.31 : x
2. Step 2: Convert to fraction form
   17,251.31/38,419.31 = 38,419.31/x
3. Step 3: Cross multiply
   17,251.31x = 38,419.31 × 38,419.31
4. Step 4: Simplify right side
   17,251.31x = 1,476,043,572.97
5. Step 5: Solve for x
   x = 1,476,043,572.97/17,251.31
6. Step 6: Final answer
   x = 85,561.23