Finding the Third Proportional to 1,351.69 and 1,551.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,351.69 : 1,551.02 = 1,551.02 : x
2. Step 2: Convert to fraction form
   1,351.69/1,551.02 = 1,551.02/x
3. Step 3: Cross multiply
   1,351.69x = 1,551.02 × 1,551.02
4. Step 4: Simplify right side
   1,351.69x = 2,405,673.70
5. Step 5: Solve for x
   x = 2,405,673.70/1,351.69
6. Step 6: Final answer
   x = 1,779.76