Finding the Third Proportional to 2,980,311 and 4,721,249

Step by Step Solution

1. Step 1: Write the proportion equation
   2,980,311 : 4,721,249 = 4,721,249 : x
2. Step 2: Convert to fraction form
   2,980,311/4,721,249 = 4,721,249/x
3. Step 3: Cross multiply
   2,980,311x = 4,721,249 × 4,721,249
4. Step 4: Simplify right side
   2,980,311x = 22,290,192,120,001
5. Step 5: Solve for x
   x = 22,290,192,120,001/2,980,311
6. Step 6: Final answer
   x = 7,479,149.70