Finding the Third Proportional to 3,512.63 and 7,672.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,512.63 : 7,672.88 = 7,672.88 : x
2. Step 2: Convert to fraction form
   3,512.63/7,672.88 = 7,672.88/x
3. Step 3: Cross multiply
   3,512.63x = 7,672.88 × 7,672.88
4. Step 4: Simplify right side
   3,512.63x = 58,873,010.77
5. Step 5: Solve for x
   x = 58,873,010.77/3,512.63
6. Step 6: Final answer
   x = 16,760.40