Finding the Third Proportional to 2,429.25 and 5,368.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.25 : 5,368.75 = 5,368.75 : x
2. Step 2: Convert to fraction form
   2,429.25/5,368.75 = 5,368.75/x
3. Step 3: Cross multiply
   2,429.25x = 5,368.75 × 5,368.75
4. Step 4: Simplify right side
   2,429.25x = 28,823,476.56
5. Step 5: Solve for x
   x = 28,823,476.56/2,429.25
6. Step 6: Final answer
   x = 11,865.18