Finding the Third Proportional to 3,405,560 and 5,122,641

Step by Step Solution

1. Step 1: Write the proportion equation
   3,405,560 : 5,122,641 = 5,122,641 : x
2. Step 2: Convert to fraction form
   3,405,560/5,122,641 = 5,122,641/x
3. Step 3: Cross multiply
   3,405,560x = 5,122,641 × 5,122,641
4. Step 4: Simplify right side
   3,405,560x = 26,241,450,814,881
5. Step 5: Solve for x
   x = 26,241,450,814,881/3,405,560
6. Step 6: Final answer
   x = 7,705,473.05