Finding the Third Proportional to 903,591 and 1,399,896

Step by Step Solution

1. Step 1: Write the proportion equation
   903,591 : 1,399,896 = 1,399,896 : x
2. Step 2: Convert to fraction form
   903,591/1,399,896 = 1,399,896/x
3. Step 3: Cross multiply
   903,591x = 1,399,896 × 1,399,896
4. Step 4: Simplify right side
   903,591x = 1,959,708,810,816
5. Step 5: Solve for x
   x = 1,959,708,810,816/903,591
6. Step 6: Final answer
   x = 2,168,800.72