Finding the Third Proportional to 3,450 and 7,570.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,450 : 7,570.50 = 7,570.50 : x
2. Step 2: Convert to fraction form
   3,450/7,570.50 = 7,570.50/x
3. Step 3: Cross multiply
   3,450x = 7,570.50 × 7,570.50
4. Step 4: Simplify right side
   3,450x = 57,312,470.25
5. Step 5: Solve for x
   x = 57,312,470.25/3,450
6. Step 6: Final answer
   x = 16,612.31