Finding the Third Proportional to 17,643 and 28,085

Step by Step Solution

1. Step 1: Write the proportion equation
   17,643 : 28,085 = 28,085 : x
2. Step 2: Convert to fraction form
   17,643/28,085 = 28,085/x
3. Step 3: Cross multiply
   17,643x = 28,085 × 28,085
4. Step 4: Simplify right side
   17,643x = 788,767,225
5. Step 5: Solve for x
   x = 788,767,225/17,643
6. Step 6: Final answer
   x = 44,707.09