Finding the Third Proportional to 3,405,560 and 5,122,642

Step by Step Solution

1. Step 1: Write the proportion equation
   3,405,560 : 5,122,642 = 5,122,642 : x
2. Step 2: Convert to fraction form
   3,405,560/5,122,642 = 5,122,642/x
3. Step 3: Cross multiply
   3,405,560x = 5,122,642 × 5,122,642
4. Step 4: Simplify right side
   3,405,560x = 26,241,461,060,164
5. Step 5: Solve for x
   x = 26,241,461,060,164/3,405,560
6. Step 6: Final answer
   x = 7,705,476.06