Finding the Third Proportional to 17,978.63 and 28,144.13

Step by Step Solution

1. Step 1: Write the proportion equation
   17,978.63 : 28,144.13 = 28,144.13 : x
2. Step 2: Convert to fraction form
   17,978.63/28,144.13 = 28,144.13/x
3. Step 3: Cross multiply
   17,978.63x = 28,144.13 × 28,144.13
4. Step 4: Simplify right side
   17,978.63x = 792,091,772.02
5. Step 5: Solve for x
   x = 792,091,772.02/17,978.63
6. Step 6: Final answer
   x = 44,057.42