Finding the Third Proportional to 18,407.25 and 40,449.38

Step by Step Solution

1. Step 1: Write the proportion equation
   18,407.25 : 40,449.38 = 40,449.38 : x
2. Step 2: Convert to fraction form
   18,407.25/40,449.38 = 40,449.38/x
3. Step 3: Cross multiply
   18,407.25x = 40,449.38 × 40,449.38
4. Step 4: Simplify right side
   18,407.25x = 1,636,151,937.89
5. Step 5: Solve for x
   x = 1,636,151,937.89/18,407.25
6. Step 6: Final answer
   x = 88,886.28