Finding the Third Proportional to 17,418 and 38,173.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,418 : 38,173.50 = 38,173.50 : x
2. Step 2: Convert to fraction form
   17,418/38,173.50 = 38,173.50/x
3. Step 3: Cross multiply
   17,418x = 38,173.50 × 38,173.50
4. Step 4: Simplify right side
   17,418x = 1,457,216,102.25
5. Step 5: Solve for x
   x = 1,457,216,102.25/17,418
6. Step 6: Final answer
   x = 83,661.51