Finding the Third Proportional to 6,777.19 and 10,429.88

Step by Step Solution

1. Step 1: Write the proportion equation
   6,777.19 : 10,429.88 = 10,429.88 : x
2. Step 2: Convert to fraction form
   6,777.19/10,429.88 = 10,429.88/x
3. Step 3: Cross multiply
   6,777.19x = 10,429.88 × 10,429.88
4. Step 4: Simplify right side
   6,777.19x = 108,782,292.52
5. Step 5: Solve for x
   x = 108,782,292.52/6,777.19
6. Step 6: Final answer
   x = 16,051.24