Finding the Third Proportional to 841,828 and 1,851,805

Step by Step Solution

1. Step 1: Write the proportion equation
   841,828 : 1,851,805 = 1,851,805 : x
2. Step 2: Convert to fraction form
   841,828/1,851,805 = 1,851,805/x
3. Step 3: Cross multiply
   841,828x = 1,851,805 × 1,851,805
4. Step 4: Simplify right side
   841,828x = 3,429,181,758,025
5. Step 5: Solve for x
   x = 3,429,181,758,025/841,828
6. Step 6: Final answer
   x = 4,073,494.54