Finding the Third Proportional to 1,716,976 and 3,390,716

Step by Step Solution

1. Step 1: Write the proportion equation
   1,716,976 : 3,390,716 = 3,390,716 : x
2. Step 2: Convert to fraction form
   1,716,976/3,390,716 = 3,390,716/x
3. Step 3: Cross multiply
   1,716,976x = 3,390,716 × 3,390,716
4. Step 4: Simplify right side
   1,716,976x = 11,496,954,992,656
5. Step 5: Solve for x
   x = 11,496,954,992,656/1,716,976
6. Step 6: Final answer
   x = 6,696,048.75