Finding the Third Proportional to 753,844 and 1,638,568

Step by Step Solution

1. Step 1: Write the proportion equation
   753,844 : 1,638,568 = 1,638,568 : x
2. Step 2: Convert to fraction form
   753,844/1,638,568 = 1,638,568/x
3. Step 3: Cross multiply
   753,844x = 1,638,568 × 1,638,568
4. Step 4: Simplify right side
   753,844x = 2,684,905,090,624
5. Step 5: Solve for x
   x = 2,684,905,090,624/753,844
6. Step 6: Final answer
   x = 3,561,618.97