Finding the Third Proportional to 2,289,212 and 3,643,970

Step by Step Solution

1. Step 1: Write the proportion equation
   2,289,212 : 3,643,970 = 3,643,970 : x
2. Step 2: Convert to fraction form
   2,289,212/3,643,970 = 3,643,970/x
3. Step 3: Cross multiply
   2,289,212x = 3,643,970 × 3,643,970
4. Step 4: Simplify right side
   2,289,212x = 13,278,517,360,900
5. Step 5: Solve for x
   x = 13,278,517,360,900/2,289,212
6. Step 6: Final answer
   x = 5,800,475.17