Finding the Third Proportional to 861,572 and 1,879,812

Step by Step Solution

1. Step 1: Write the proportion equation
   861,572 : 1,879,812 = 1,879,812 : x
2. Step 2: Convert to fraction form
   861,572/1,879,812 = 1,879,812/x
3. Step 3: Cross multiply
   861,572x = 1,879,812 × 1,879,812
4. Step 4: Simplify right side
   861,572x = 3,533,693,155,344
5. Step 5: Solve for x
   x = 3,533,693,155,344/861,572
6. Step 6: Final answer
   x = 4,101,448.46