Finding the Third Proportional to 1,469,720 and 3,149,390

Step by Step Solution

1. Step 1: Write the proportion equation
   1,469,720 : 3,149,390 = 3,149,390 : x
2. Step 2: Convert to fraction form
   1,469,720/3,149,390 = 3,149,390/x
3. Step 3: Cross multiply
   1,469,720x = 3,149,390 × 3,149,390
4. Step 4: Simplify right side
   1,469,720x = 9,918,657,372,100
5. Step 5: Solve for x
   x = 9,918,657,372,100/1,469,720
6. Step 6: Final answer
   x = 6,748,671.43