Finding the Third Proportional to 17,618.50 and 38,396

Step by Step Solution

1. Step 1: Write the proportion equation
   17,618.50 : 38,396 = 38,396 : x
2. Step 2: Convert to fraction form
   17,618.50/38,396 = 38,396/x
3. Step 3: Cross multiply
   17,618.50x = 38,396 × 38,396
4. Step 4: Simplify right side
   17,618.50x = 1,474,252,816
5. Step 5: Solve for x
   x = 1,474,252,816/17,618.50
6. Step 6: Final answer
   x = 83,676.41