Finding the Third Proportional to 3,390,297 and 5,116,974

Step by Step Solution

1. Step 1: Write the proportion equation
   3,390,297 : 5,116,974 = 5,116,974 : x
2. Step 2: Convert to fraction form
   3,390,297/5,116,974 = 5,116,974/x
3. Step 3: Cross multiply
   3,390,297x = 5,116,974 × 5,116,974
4. Step 4: Simplify right side
   3,390,297x = 26,183,422,916,676
5. Step 5: Solve for x
   x = 26,183,422,916,676/3,390,297
6. Step 6: Final answer
   x = 7,723,046.95