Finding the Third Proportional to 3,061.50 and 4,378.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.50 : 4,378.50 = 4,378.50 : x
2. Step 2: Convert to fraction form
   3,061.50/4,378.50 = 4,378.50/x
3. Step 3: Cross multiply
   3,061.50x = 4,378.50 × 4,378.50
4. Step 4: Simplify right side
   3,061.50x = 19,171,262.25
5. Step 5: Solve for x
   x = 19,171,262.25/3,061.50
6. Step 6: Final answer
   x = 6,262.05