Finding the Third Proportional to 17,503.31 and 38,408.63

Step by Step Solution

1. Step 1: Write the proportion equation
   17,503.31 : 38,408.63 = 38,408.63 : x
2. Step 2: Convert to fraction form
   17,503.31/38,408.63 = 38,408.63/x
3. Step 3: Cross multiply
   17,503.31x = 38,408.63 × 38,408.63
4. Step 4: Simplify right side
   17,503.31x = 1,475,222,474.39
5. Step 5: Solve for x
   x = 1,475,222,474.39/17,503.31
6. Step 6: Final answer
   x = 84,282.47