Finding the Third Proportional to 862,389 and 1,875,783

Step by Step Solution

1. Step 1: Write the proportion equation
   862,389 : 1,875,783 = 1,875,783 : x
2. Step 2: Convert to fraction form
   862,389/1,875,783 = 1,875,783/x
3. Step 3: Cross multiply
   862,389x = 1,875,783 × 1,875,783
4. Step 4: Simplify right side
   862,389x = 3,518,561,863,089
5. Step 5: Solve for x
   x = 3,518,561,863,089/862,389
6. Step 6: Final answer
   x = 4,080,017.10