Finding the Third Proportional to 785,736 and 1,218,828

Step by Step Solution

1. Step 1: Write the proportion equation
   785,736 : 1,218,828 = 1,218,828 : x
2. Step 2: Convert to fraction form
   785,736/1,218,828 = 1,218,828/x
3. Step 3: Cross multiply
   785,736x = 1,218,828 × 1,218,828
4. Step 4: Simplify right side
   785,736x = 1,485,541,693,584
5. Step 5: Solve for x
   x = 1,485,541,693,584/785,736
6. Step 6: Final answer
   x = 1,890,637.18