Finding the Third Proportional to 3,562.50 and 7,740

Step by Step Solution

1. Step 1: Write the proportion equation
   3,562.50 : 7,740 = 7,740 : x
2. Step 2: Convert to fraction form
   3,562.50/7,740 = 7,740/x
3. Step 3: Cross multiply
   3,562.50x = 7,740 × 7,740
4. Step 4: Simplify right side
   3,562.50x = 59,907,600
5. Step 5: Solve for x
   x = 59,907,600/3,562.50
6. Step 6: Final answer
   x = 16,816.17