Finding the Third Proportional to 17,820 and 28,620

Step by Step Solution

1. Step 1: Write the proportion equation
   17,820 : 28,620 = 28,620 : x
2. Step 2: Convert to fraction form
   17,820/28,620 = 28,620/x
3. Step 3: Cross multiply
   17,820x = 28,620 × 28,620
4. Step 4: Simplify right side
   17,820x = 819,104,400
5. Step 5: Solve for x
   x = 819,104,400/17,820
6. Step 6: Final answer
   x = 45,965.45