Finding the Third Proportional to 5,831,838 and 8,208,864

Step by Step Solution

1. Step 1: Write the proportion equation
   5,831,838 : 8,208,864 = 8,208,864 : x
2. Step 2: Convert to fraction form
   5,831,838/8,208,864 = 8,208,864/x
3. Step 3: Cross multiply
   5,831,838x = 8,208,864 × 8,208,864
4. Step 4: Simplify right side
   5,831,838x = 67,385,448,170,496
5. Step 5: Solve for x
   x = 67,385,448,170,496/5,831,838
6. Step 6: Final answer
   x = 11,554,753.09