Finding the Third Proportional to 7,144.31 and 14,776.88

Step by Step Solution

1. Step 1: Write the proportion equation
   7,144.31 : 14,776.88 = 14,776.88 : x
2. Step 2: Convert to fraction form
   7,144.31/14,776.88 = 14,776.88/x
3. Step 3: Cross multiply
   7,144.31x = 14,776.88 × 14,776.88
4. Step 4: Simplify right side
   7,144.31x = 218,356,034.77
5. Step 5: Solve for x
   x = 218,356,034.77/7,144.31
6. Step 6: Final answer
   x = 30,563.62