Finding the Third Proportional to 1,377.56 and 2,848.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,377.56 : 2,848.78 = 2,848.78 : x
2. Step 2: Convert to fraction form
   1,377.56/2,848.78 = 2,848.78/x
3. Step 3: Cross multiply
   1,377.56x = 2,848.78 × 2,848.78
4. Step 4: Simplify right side
   1,377.56x = 8,115,554.61
5. Step 5: Solve for x
   x = 8,115,554.61/1,377.56
6. Step 6: Final answer
   x = 5,891.24