Finding the Third Proportional to 394,110 and 861,828.75

Step by Step Solution

1. Step 1: Write the proportion equation
   394,110 : 861,828.75 = 861,828.75 : x
2. Step 2: Convert to fraction form
   394,110/861,828.75 = 861,828.75/x
3. Step 3: Cross multiply
   394,110x = 861,828.75 × 861,828.75
4. Step 4: Simplify right side
   394,110x = 742,748,794,326.56
5. Step 5: Solve for x
   x = 742,748,794,326.56/394,110
6. Step 6: Final answer
   x = 1,884,623.06