Finding the Third Proportional to 861,570 and 1,879,808

Step by Step Solution

1. Step 1: Write the proportion equation
   861,570 : 1,879,808 = 1,879,808 : x
2. Step 2: Convert to fraction form
   861,570/1,879,808 = 1,879,808/x
3. Step 3: Cross multiply
   861,570x = 1,879,808 × 1,879,808
4. Step 4: Simplify right side
   861,570x = 3,533,678,116,864
5. Step 5: Solve for x
   x = 3,533,678,116,864/861,570
6. Step 6: Final answer
   x = 4,101,440.53