Finding the Third Proportional to 2,189,508 and 3,486,646

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189,508 : 3,486,646 = 3,486,646 : x
2. Step 2: Convert to fraction form
   2,189,508/3,486,646 = 3,486,646/x
3. Step 3: Cross multiply
   2,189,508x = 3,486,646 × 3,486,646
4. Step 4: Simplify right side
   2,189,508x = 12,156,700,329,316
5. Step 5: Solve for x
   x = 12,156,700,329,316/2,189,508
6. Step 6: Final answer
   x = 5,552,252.07