Finding the Third Proportional to 842,596 and 1,871,816

Step by Step Solution

1. Step 1: Write the proportion equation
   842,596 : 1,871,816 = 1,871,816 : x
2. Step 2: Convert to fraction form
   842,596/1,871,816 = 1,871,816/x
3. Step 3: Cross multiply
   842,596x = 1,871,816 × 1,871,816
4. Step 4: Simplify right side
   842,596x = 3,503,695,137,856
5. Step 5: Solve for x
   x = 3,503,695,137,856/842,596
6. Step 6: Final answer
   x = 4,158,214.78