Finding the Third Proportional to 3,817.50 and 5,697.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,817.50 : 5,697.50 = 5,697.50 : x
2. Step 2: Convert to fraction form
   3,817.50/5,697.50 = 5,697.50/x
3. Step 3: Cross multiply
   3,817.50x = 5,697.50 × 5,697.50
4. Step 4: Simplify right side
   3,817.50x = 32,461,506.25
5. Step 5: Solve for x
   x = 32,461,506.25/3,817.50
6. Step 6: Final answer
   x = 8,503.34