Finding the Third Proportional to 8,492.41 and 12,488.87

Step by Step Solution

1. Step 1: Write the proportion equation
   8,492.41 : 12,488.87 = 12,488.87 : x
2. Step 2: Convert to fraction form
   8,492.41/12,488.87 = 12,488.87/x
3. Step 3: Cross multiply
   8,492.41x = 12,488.87 × 12,488.87
4. Step 4: Simplify right side
   8,492.41x = 155,971,901.20
5. Step 5: Solve for x
   x = 155,971,901.20/8,492.41
6. Step 6: Final answer
   x = 18,366.03