Finding the Third Proportional to 3,562.31 and 7,739.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,562.31 : 7,739.72 = 7,739.72 : x
2. Step 2: Convert to fraction form
   3,562.31/7,739.72 = 7,739.72/x
3. Step 3: Cross multiply
   3,562.31x = 7,739.72 × 7,739.72
4. Step 4: Simplify right side
   3,562.31x = 59,903,246.33
5. Step 5: Solve for x
   x = 59,903,246.33/3,562.31
6. Step 6: Final answer
   x = 16,815.83