Finding the Third Proportional to 10,779.75 and 17,210.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,779.75 : 17,210.25 = 17,210.25 : x
2. Step 2: Convert to fraction form
   10,779.75/17,210.25 = 17,210.25/x
3. Step 3: Cross multiply
   10,779.75x = 17,210.25 × 17,210.25
4. Step 4: Simplify right side
   10,779.75x = 296,192,705.06
5. Step 5: Solve for x
   x = 296,192,705.06/10,779.75
6. Step 6: Final answer
   x = 27,476.77