Finding the Third Proportional to 17,043.75 and 21,880.13

Step by Step Solution

1. Step 1: Write the proportion equation
   17,043.75 : 21,880.13 = 21,880.13 : x
2. Step 2: Convert to fraction form
   17,043.75/21,880.13 = 21,880.13/x
3. Step 3: Cross multiply
   17,043.75x = 21,880.13 × 21,880.13
4. Step 4: Simplify right side
   17,043.75x = 478,739,870.02
5. Step 5: Solve for x
   x = 478,739,870.02/17,043.75
6. Step 6: Final answer
   x = 28,088.88