Finding the Third Proportional to 4,046,965 and 8,670,848

Step by Step Solution

1. Step 1: Write the proportion equation
   4,046,965 : 8,670,848 = 8,670,848 : x
2. Step 2: Convert to fraction form
   4,046,965/8,670,848 = 8,670,848/x
3. Step 3: Cross multiply
   4,046,965x = 8,670,848 × 8,670,848
4. Step 4: Simplify right side
   4,046,965x = 75,183,605,039,104
5. Step 5: Solve for x
   x = 75,183,605,039,104/4,046,965
6. Step 6: Final answer
   x = 18,577,774.96