Finding the Third Proportional to 757,640 and 1,541,390

Step by Step Solution

1. Step 1: Write the proportion equation
   757,640 : 1,541,390 = 1,541,390 : x
2. Step 2: Convert to fraction form
   757,640/1,541,390 = 1,541,390/x
3. Step 3: Cross multiply
   757,640x = 1,541,390 × 1,541,390
4. Step 4: Simplify right side
   757,640x = 2,375,883,132,100
5. Step 5: Solve for x
   x = 2,375,883,132,100/757,640
6. Step 6: Final answer
   x = 3,135,899.81