Finding the Third Proportional to 1,631,721 and 3,534,630

Step by Step Solution

1. Step 1: Write the proportion equation
   1,631,721 : 3,534,630 = 3,534,630 : x
2. Step 2: Convert to fraction form
   1,631,721/3,534,630 = 3,534,630/x
3. Step 3: Cross multiply
   1,631,721x = 3,534,630 × 3,534,630
4. Step 4: Simplify right side
   1,631,721x = 12,493,609,236,900
5. Step 5: Solve for x
   x = 12,493,609,236,900/1,631,721
6. Step 6: Final answer
   x = 7,656,706.78