Finding the Third Proportional to 1,313,720 and 1,976,412

Step by Step Solution

1. Step 1: Write the proportion equation
   1,313,720 : 1,976,412 = 1,976,412 : x
2. Step 2: Convert to fraction form
   1,313,720/1,976,412 = 1,976,412/x
3. Step 3: Cross multiply
   1,313,720x = 1,976,412 × 1,976,412
4. Step 4: Simplify right side
   1,313,720x = 3,906,204,393,744
5. Step 5: Solve for x
   x = 3,906,204,393,744/1,313,720
6. Step 6: Final answer
   x = 2,973,391.89