Finding the Third Proportional to 1,308,608 and 1,919,708

Step by Step Solution

1. Step 1: Write the proportion equation
   1,308,608 : 1,919,708 = 1,919,708 : x
2. Step 2: Convert to fraction form
   1,308,608/1,919,708 = 1,919,708/x
3. Step 3: Cross multiply
   1,308,608x = 1,919,708 × 1,919,708
4. Step 4: Simplify right side
   1,308,608x = 3,685,278,805,264
5. Step 5: Solve for x
   x = 3,685,278,805,264/1,308,608
6. Step 6: Final answer
   x = 2,816,182.39