Finding the Third Proportional to 1,373,768 and 2,020,920

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373,768 : 2,020,920 = 2,020,920 : x
2. Step 2: Convert to fraction form
   1,373,768/2,020,920 = 2,020,920/x
3. Step 3: Cross multiply
   1,373,768x = 2,020,920 × 2,020,920
4. Step 4: Simplify right side
   1,373,768x = 4,084,117,646,400
5. Step 5: Solve for x
   x = 4,084,117,646,400/1,373,768
6. Step 6: Final answer
   x = 2,972,931.13