Finding the Third Proportional to 862,406 and 1,875,816

Step by Step Solution

1. Step 1: Write the proportion equation
   862,406 : 1,875,816 = 1,875,816 : x
2. Step 2: Convert to fraction form
   862,406/1,875,816 = 1,875,816/x
3. Step 3: Cross multiply
   862,406x = 1,875,816 × 1,875,816
4. Step 4: Simplify right side
   862,406x = 3,518,685,665,856
5. Step 5: Solve for x
   x = 3,518,685,665,856/862,406
6. Step 6: Final answer
   x = 4,080,080.22