Finding the Third Proportional to 8,495.25 and 12,492.75

Step by Step Solution

1. Step 1: Write the proportion equation
   8,495.25 : 12,492.75 = 12,492.75 : x
2. Step 2: Convert to fraction form
   8,495.25/12,492.75 = 12,492.75/x
3. Step 3: Cross multiply
   8,495.25x = 12,492.75 × 12,492.75
4. Step 4: Simplify right side
   8,495.25x = 156,068,802.56
5. Step 5: Solve for x
   x = 156,068,802.56/8,495.25
6. Step 6: Final answer
   x = 18,371.30