Finding the Third Proportional to 6,777.42 and 10,422.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,777.42 : 10,422.42 = 10,422.42 : x
2. Step 2: Convert to fraction form
   6,777.42/10,422.42 = 10,422.42/x
3. Step 3: Cross multiply
   6,777.42x = 10,422.42 × 10,422.42
4. Step 4: Simplify right side
   6,777.42x = 108,626,877.74
5. Step 5: Solve for x
   x = 108,626,877.74/6,777.42
6. Step 6: Final answer
   x = 16,027.76