Finding the Third Proportional to 791,610 and 1,866,831

Step by Step Solution

1. Step 1: Write the proportion equation
   791,610 : 1,866,831 = 1,866,831 : x
2. Step 2: Convert to fraction form
   791,610/1,866,831 = 1,866,831/x
3. Step 3: Cross multiply
   791,610x = 1,866,831 × 1,866,831
4. Step 4: Simplify right side
   791,610x = 3,485,057,982,561
5. Step 5: Solve for x
   x = 3,485,057,982,561/791,610
6. Step 6: Final answer
   x = 4,402,493.63