Finding the Third Proportional to 1,399,363 and 2,993,258

Step by Step Solution

1. Step 1: Write the proportion equation
   1,399,363 : 2,993,258 = 2,993,258 : x
2. Step 2: Convert to fraction form
   1,399,363/2,993,258 = 2,993,258/x
3. Step 3: Cross multiply
   1,399,363x = 2,993,258 × 2,993,258
4. Step 4: Simplify right side
   1,399,363x = 8,959,593,454,564
5. Step 5: Solve for x
   x = 8,959,593,454,564/1,399,363
6. Step 6: Final answer
   x = 6,402,622.80