Finding the Third Proportional to 1,386,508 and 3,000,460

Step by Step Solution

1. Step 1: Write the proportion equation
   1,386,508 : 3,000,460 = 3,000,460 : x
2. Step 2: Convert to fraction form
   1,386,508/3,000,460 = 3,000,460/x
3. Step 3: Cross multiply
   1,386,508x = 3,000,460 × 3,000,460
4. Step 4: Simplify right side
   1,386,508x = 9,002,760,211,600
5. Step 5: Solve for x
   x = 9,002,760,211,600/1,386,508
6. Step 6: Final answer
   x = 6,493,118.12