Finding the Third Proportional to 3,562.31 and 7,691.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,562.31 : 7,691.63 = 7,691.63 : x
2. Step 2: Convert to fraction form
   3,562.31/7,691.63 = 7,691.63/x
3. Step 3: Cross multiply
   3,562.31x = 7,691.63 × 7,691.63
4. Step 4: Simplify right side
   3,562.31x = 59,161,095.14
5. Step 5: Solve for x
   x = 59,161,095.14/3,562.31
6. Step 6: Final answer
   x = 16,607.50