Finding the Third Proportional to 17,666.28 and 38,446.21

Step by Step Solution

1. Step 1: Write the proportion equation
   17,666.28 : 38,446.21 = 38,446.21 : x
2. Step 2: Convert to fraction form
   17,666.28/38,446.21 = 38,446.21/x
3. Step 3: Cross multiply
   17,666.28x = 38,446.21 × 38,446.21
4. Step 4: Simplify right side
   17,666.28x = 1,478,110,835.09
5. Step 5: Solve for x
   x = 1,478,110,835.09/17,666.28
6. Step 6: Final answer
   x = 83,668.49