Finding the Third Proportional to 11,120.63 and 17,776.13

Step by Step Solution

1. Step 1: Write the proportion equation
   11,120.63 : 17,776.13 = 17,776.13 : x
2. Step 2: Convert to fraction form
   11,120.63/17,776.13 = 17,776.13/x
3. Step 3: Cross multiply
   11,120.63x = 17,776.13 × 17,776.13
4. Step 4: Simplify right side
   11,120.63x = 315,990,620.02
5. Step 5: Solve for x
   x = 315,990,620.02/11,120.63
6. Step 6: Final answer
   x = 28,414.83