Finding the Third Proportional to 1,354.78 and 2,050.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,354.78 : 2,050.31 = 2,050.31 : x
2. Step 2: Convert to fraction form
   1,354.78/2,050.31 = 2,050.31/x
3. Step 3: Cross multiply
   1,354.78x = 2,050.31 × 2,050.31
4. Step 4: Simplify right side
   1,354.78x = 4,203,781.35
5. Step 5: Solve for x
   x = 4,203,781.35/1,354.78
6. Step 6: Final answer
   x = 3,102.92