Finding the Third Proportional to 2,619,220 and 3,912,699

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619,220 : 3,912,699 = 3,912,699 : x
2. Step 2: Convert to fraction form
   2,619,220/3,912,699 = 3,912,699/x
3. Step 3: Cross multiply
   2,619,220x = 3,912,699 × 3,912,699
4. Step 4: Simplify right side
   2,619,220x = 15,309,213,464,601
5. Step 5: Solve for x
   x = 15,309,213,464,601/2,619,220
6. Step 6: Final answer
   x = 5,844,951.35