Finding the Third Proportional to 1,551.38 and 3,345.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,551.38 : 3,345.88 = 3,345.88 : x
2. Step 2: Convert to fraction form
   1,551.38/3,345.88 = 3,345.88/x
3. Step 3: Cross multiply
   1,551.38x = 3,345.88 × 3,345.88
4. Step 4: Simplify right side
   1,551.38x = 11,194,879.52
5. Step 5: Solve for x
   x = 11,194,879.52/1,551.38
6. Step 6: Final answer
   x = 7,216.10