Finding the Third Proportional to 17,880 and 28,355

Step by Step Solution

1. Step 1: Write the proportion equation
   17,880 : 28,355 = 28,355 : x
2. Step 2: Convert to fraction form
   17,880/28,355 = 28,355/x
3. Step 3: Cross multiply
   17,880x = 28,355 × 28,355
4. Step 4: Simplify right side
   17,880x = 804,006,025
5. Step 5: Solve for x
   x = 804,006,025/17,880
6. Step 6: Final answer
   x = 44,966.78