Finding the Third Proportional to 18,498.38 and 40,084.88

Step by Step Solution

1. Step 1: Write the proportion equation
   18,498.38 : 40,084.88 = 40,084.88 : x
2. Step 2: Convert to fraction form
   18,498.38/40,084.88 = 40,084.88/x
3. Step 3: Cross multiply
   18,498.38x = 40,084.88 × 40,084.88
4. Step 4: Simplify right side
   18,498.38x = 1,606,797,203.77
5. Step 5: Solve for x
   x = 1,606,797,203.77/18,498.38
6. Step 6: Final answer
   x = 86,861.53