Finding the Third Proportional to 5,490 and 12,025.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,490 : 12,025.50 = 12,025.50 : x
2. Step 2: Convert to fraction form
   5,490/12,025.50 = 12,025.50/x
3. Step 3: Cross multiply
   5,490x = 12,025.50 × 12,025.50
4. Step 4: Simplify right side
   5,490x = 144,612,650.25
5. Step 5: Solve for x
   x = 144,612,650.25/5,490
6. Step 6: Final answer
   x = 26,341.10