Finding the Third Proportional to 1,879,830 and 3,973,959

Step by Step Solution

1. Step 1: Write the proportion equation
   1,879,830 : 3,973,959 = 3,973,959 : x
2. Step 2: Convert to fraction form
   1,879,830/3,973,959 = 3,973,959/x
3. Step 3: Cross multiply
   1,879,830x = 3,973,959 × 3,973,959
4. Step 4: Simplify right side
   1,879,830x = 15,792,350,133,681
5. Step 5: Solve for x
   x = 15,792,350,133,681/1,879,830
6. Step 6: Final answer
   x = 8,400,945.90