Finding the Third Proportional to 1,399,043 and 2,160,393

Step by Step Solution

1. Step 1: Write the proportion equation
   1,399,043 : 2,160,393 = 2,160,393 : x
2. Step 2: Convert to fraction form
   1,399,043/2,160,393 = 2,160,393/x
3. Step 3: Cross multiply
   1,399,043x = 2,160,393 × 2,160,393
4. Step 4: Simplify right side
   1,399,043x = 4,667,297,914,449
5. Step 5: Solve for x
   x = 4,667,297,914,449/1,399,043
6. Step 6: Final answer
   x = 3,336,064.66