Finding the Third Proportional to 3,562.31 and 8,604.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,562.31 : 8,604.56 = 8,604.56 : x
2. Step 2: Convert to fraction form
   3,562.31/8,604.56 = 8,604.56/x
3. Step 3: Cross multiply
   3,562.31x = 8,604.56 × 8,604.56
4. Step 4: Simplify right side
   3,562.31x = 74,038,495.82
5. Step 5: Solve for x
   x = 74,038,495.82/3,562.31
6. Step 6: Final answer
   x = 20,783.83