Finding the Third Proportional to 2,619,860 and 4,165,980

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619,860 : 4,165,980 = 4,165,980 : x
2. Step 2: Convert to fraction form
   2,619,860/4,165,980 = 4,165,980/x
3. Step 3: Cross multiply
   2,619,860x = 4,165,980 × 4,165,980
4. Step 4: Simplify right side
   2,619,860x = 17,355,389,360,400
5. Step 5: Solve for x
   x = 17,355,389,360,400/2,619,860
6. Step 6: Final answer
   x = 6,624,548.40