Finding the Third Proportional to 18,207.28 and 39,031.88

Step by Step Solution

1. Step 1: Write the proportion equation
   18,207.28 : 39,031.88 = 39,031.88 : x
2. Step 2: Convert to fraction form
   18,207.28/39,031.88 = 39,031.88/x
3. Step 3: Cross multiply
   18,207.28x = 39,031.88 × 39,031.88
4. Step 4: Simplify right side
   18,207.28x = 1,523,487,266.02
5. Step 5: Solve for x
   x = 1,523,487,266.02/18,207.28
6. Step 6: Final answer
   x = 83,674.62