Finding the Third Proportional to 861,567 and 1,879,803

Step by Step Solution

1. Step 1: Write the proportion equation
   861,567 : 1,879,803 = 1,879,803 : x
2. Step 2: Convert to fraction form
   861,567/1,879,803 = 1,879,803/x
3. Step 3: Cross multiply
   861,567x = 1,879,803 × 1,879,803
4. Step 4: Simplify right side
   861,567x = 3,533,659,318,809
5. Step 5: Solve for x
   x = 3,533,659,318,809/861,567
6. Step 6: Final answer
   x = 4,101,432.99