Finding the Third Proportional to 753,917 and 1,638,730

Step by Step Solution

1. Step 1: Write the proportion equation
   753,917 : 1,638,730 = 1,638,730 : x
2. Step 2: Convert to fraction form
   753,917/1,638,730 = 1,638,730/x
3. Step 3: Cross multiply
   753,917x = 1,638,730 × 1,638,730
4. Step 4: Simplify right side
   753,917x = 2,685,436,012,900
5. Step 5: Solve for x
   x = 2,685,436,012,900/753,917
6. Step 6: Final answer
   x = 3,561,978.33