Finding the Third Proportional to 1,648,209 and 3,422,740

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648,209 : 3,422,740 = 3,422,740 : x
2. Step 2: Convert to fraction form
   1,648,209/3,422,740 = 3,422,740/x
3. Step 3: Cross multiply
   1,648,209x = 3,422,740 × 3,422,740
4. Step 4: Simplify right side
   1,648,209x = 11,715,149,107,600
5. Step 5: Solve for x
   x = 11,715,149,107,600/1,648,209
6. Step 6: Final answer
   x = 7,107,805.57