Finding the Third Proportional to 2,000,388 and 2,858,511

Step by Step Solution

1. Step 1: Write the proportion equation
   2,000,388 : 2,858,511 = 2,858,511 : x
2. Step 2: Convert to fraction form
   2,000,388/2,858,511 = 2,858,511/x
3. Step 3: Cross multiply
   2,000,388x = 2,858,511 × 2,858,511
4. Step 4: Simplify right side
   2,000,388x = 8,171,085,137,121
5. Step 5: Solve for x
   x = 8,171,085,137,121/2,000,388
6. Step 6: Final answer
   x = 4,084,750.13