Finding the Third Proportional to 10,688.63 and 16,480.13

Step by Step Solution

1. Step 1: Write the proportion equation
   10,688.63 : 16,480.13 = 16,480.13 : x
2. Step 2: Convert to fraction form
   10,688.63/16,480.13 = 16,480.13/x
3. Step 3: Cross multiply
   10,688.63x = 16,480.13 × 16,480.13
4. Step 4: Simplify right side
   10,688.63x = 271,594,520.02
5. Step 5: Solve for x
   x = 271,594,520.02/10,688.63
6. Step 6: Final answer
   x = 25,409.68