Finding the Third Proportional to 17,808 and 28,120

Step by Step Solution

1. Step 1: Write the proportion equation
   17,808 : 28,120 = 28,120 : x
2. Step 2: Convert to fraction form
   17,808/28,120 = 28,120/x
3. Step 3: Cross multiply
   17,808x = 28,120 × 28,120
4. Step 4: Simplify right side
   17,808x = 790,734,400
5. Step 5: Solve for x
   x = 790,734,400/17,808
6. Step 6: Final answer
   x = 44,403.32