Finding the Third Proportional to 2,380,620 and 5,290,980

Step by Step Solution

1. Step 1: Write the proportion equation
   2,380,620 : 5,290,980 = 5,290,980 : x
2. Step 2: Convert to fraction form
   2,380,620/5,290,980 = 5,290,980/x
3. Step 3: Cross multiply
   2,380,620x = 5,290,980 × 5,290,980
4. Step 4: Simplify right side
   2,380,620x = 27,994,469,360,400
5. Step 5: Solve for x
   x = 27,994,469,360,400/2,380,620
6. Step 6: Final answer
   x = 11,759,318.73