Finding the Third Proportional to 1,881.56 and 2,860.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,881.56 : 2,860.31 = 2,860.31 : x
2. Step 2: Convert to fraction form
   1,881.56/2,860.31 = 2,860.31/x
3. Step 3: Cross multiply
   1,881.56x = 2,860.31 × 2,860.31
4. Step 4: Simplify right side
   1,881.56x = 8,181,387.60
5. Step 5: Solve for x
   x = 8,181,387.60/1,881.56
6. Step 6: Final answer
   x = 4,348.19