Finding the Third Proportional to 6,478.88 and 14,130.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,478.88 : 14,130.56 = 14,130.56 : x
2. Step 2: Convert to fraction form
   6,478.88/14,130.56 = 14,130.56/x
3. Step 3: Cross multiply
   6,478.88x = 14,130.56 × 14,130.56
4. Step 4: Simplify right side
   6,478.88x = 199,672,796.57
5. Step 5: Solve for x
   x = 199,672,796.57/6,478.88
6. Step 6: Final answer
   x = 30,819.05