Finding the Third Proportional to 17,723.81 and 38,728.13

Step by Step Solution

1. Step 1: Write the proportion equation
   17,723.81 : 38,728.13 = 38,728.13 : x
2. Step 2: Convert to fraction form
   17,723.81/38,728.13 = 38,728.13/x
3. Step 3: Cross multiply
   17,723.81x = 38,728.13 × 38,728.13
4. Step 4: Simplify right side
   17,723.81x = 1,499,867,666.02
5. Step 5: Solve for x
   x = 1,499,867,666.02/17,723.81
6. Step 6: Final answer
   x = 84,624.44