Finding the Third Proportional to 1,345.88 and 2,691.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,345.88 : 2,691.75 = 2,691.75 : x
2. Step 2: Convert to fraction form
   1,345.88/2,691.75 = 2,691.75/x
3. Step 3: Cross multiply
   1,345.88x = 2,691.75 × 2,691.75
4. Step 4: Simplify right side
   1,345.88x = 7,245,518.06
5. Step 5: Solve for x
   x = 7,245,518.06/1,345.88
6. Step 6: Final answer
   x = 5,383.50