Finding the Third Proportional to 6,454.69 and 11,314.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,454.69 : 11,314.69 = 11,314.69 : x
2. Step 2: Convert to fraction form
   6,454.69/11,314.69 = 11,314.69/x
3. Step 3: Cross multiply
   6,454.69x = 11,314.69 × 11,314.69
4. Step 4: Simplify right side
   6,454.69x = 128,022,153.22
5. Step 5: Solve for x
   x = 128,022,153.22/6,454.69
6. Step 6: Final answer
   x = 19,833.98