Finding the Third Proportional to 6,154.31 and 13,231.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,154.31 : 13,231.69 = 13,231.69 : x
2. Step 2: Convert to fraction form
   6,154.31/13,231.69 = 13,231.69/x
3. Step 3: Cross multiply
   6,154.31x = 13,231.69 × 13,231.69
4. Step 4: Simplify right side
   6,154.31x = 175,077,554.10
5. Step 5: Solve for x
   x = 175,077,554.10/6,154.31
6. Step 6: Final answer
   x = 28,447.95