Finding the Third Proportional to 2,189,471 and 3,486,572

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189,471 : 3,486,572 = 3,486,572 : x
2. Step 2: Convert to fraction form
   2,189,471/3,486,572 = 3,486,572/x
3. Step 3: Cross multiply
   2,189,471x = 3,486,572 × 3,486,572
4. Step 4: Simplify right side
   2,189,471x = 12,156,184,311,184
5. Step 5: Solve for x
   x = 12,156,184,311,184/2,189,471
6. Step 6: Final answer
   x = 5,552,110.22