Finding the Third Proportional to 2,490,509 and 3,646,947

Step by Step Solution

1. Step 1: Write the proportion equation
   2,490,509 : 3,646,947 = 3,646,947 : x
2. Step 2: Convert to fraction form
   2,490,509/3,646,947 = 3,646,947/x
3. Step 3: Cross multiply
   2,490,509x = 3,646,947 × 3,646,947
4. Step 4: Simplify right side
   2,490,509x = 13,300,222,420,809
5. Step 5: Solve for x
   x = 13,300,222,420,809/2,490,509
6. Step 6: Final answer
   x = 5,340,363.12