Finding the Third Proportional to 2,085,337,438 and 3,147,398,621

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085,337,438 : 3,147,398,621 = 3,147,398,621 : x
2. Step 2: Convert to fraction form
   2,085,337,438/3,147,398,621 = 3,147,398,621/x
3. Step 3: Cross multiply
   2,085,337,438x = 3,147,398,621 × 3,147,398,621
4. Step 4: Simplify right side
   2,085,337,438x = 9,906,118,079,472,701,440
5. Step 5: Solve for x
   x = 9,906,118,079,472,701,440/2,085,337,438
6. Step 6: Final answer
   x = 4,750,366,966.50