Finding the Third Proportional to 753,635 and 1,638,166

Step by Step Solution

1. Step 1: Write the proportion equation
   753,635 : 1,638,166 = 1,638,166 : x
2. Step 2: Convert to fraction form
   753,635/1,638,166 = 1,638,166/x
3. Step 3: Cross multiply
   753,635x = 1,638,166 × 1,638,166
4. Step 4: Simplify right side
   753,635x = 2,683,587,843,556
5. Step 5: Solve for x
   x = 2,683,587,843,556/753,635
6. Step 6: Final answer
   x = 3,560,858.83