Finding the Third Proportional to 18,407.25 and 39,274.88

Step by Step Solution

1. Step 1: Write the proportion equation
   18,407.25 : 39,274.88 = 39,274.88 : x
2. Step 2: Convert to fraction form
   18,407.25/39,274.88 = 39,274.88/x
3. Step 3: Cross multiply
   18,407.25x = 39,274.88 × 39,274.88
4. Step 4: Simplify right side
   18,407.25x = 1,542,515,806.27
5. Step 5: Solve for x
   x = 1,542,515,806.27/18,407.25
6. Step 6: Final answer
   x = 83,799.36