Finding the Third Proportional to 3,273,959 and 7,142,620

Step by Step Solution

1. Step 1: Write the proportion equation
   3,273,959 : 7,142,620 = 7,142,620 : x
2. Step 2: Convert to fraction form
   3,273,959/7,142,620 = 7,142,620/x
3. Step 3: Cross multiply
   3,273,959x = 7,142,620 × 7,142,620
4. Step 4: Simplify right side
   3,273,959x = 51,017,020,464,400
5. Step 5: Solve for x
   x = 51,017,020,464,400/3,273,959
6. Step 6: Final answer
   x = 15,582,669.32