Finding the Third Proportional to 1,379.69 and 3,152.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,379.69 : 3,152.36 = 3,152.36 : x
2. Step 2: Convert to fraction form
   1,379.69/3,152.36 = 3,152.36/x
3. Step 3: Cross multiply
   1,379.69x = 3,152.36 × 3,152.36
4. Step 4: Simplify right side
   1,379.69x = 9,937,345.00
5. Step 5: Solve for x
   x = 9,937,345.00/1,379.69
6. Step 6: Final answer
   x = 7,202.60