Finding the Third Proportional to 1,624,641 and 3,520,189

Step by Step Solution

1. Step 1: Write the proportion equation
   1,624,641 : 3,520,189 = 3,520,189 : x
2. Step 2: Convert to fraction form
   1,624,641/3,520,189 = 3,520,189/x
3. Step 3: Cross multiply
   1,624,641x = 3,520,189 × 3,520,189
4. Step 4: Simplify right side
   1,624,641x = 12,391,730,595,721
5. Step 5: Solve for x
   x = 12,391,730,595,721/1,624,641
6. Step 6: Final answer
   x = 7,627,365.43