Finding the Third Proportional to 3,322,936 and 4,978,861

Step by Step Solution

1. Step 1: Write the proportion equation
   3,322,936 : 4,978,861 = 4,978,861 : x
2. Step 2: Convert to fraction form
   3,322,936/4,978,861 = 4,978,861/x
3. Step 3: Cross multiply
   3,322,936x = 4,978,861 × 4,978,861
4. Step 4: Simplify right side
   3,322,936x = 24,789,056,857,321
5. Step 5: Solve for x
   x = 24,789,056,857,321/3,322,936
6. Step 6: Final answer
   x = 7,459,986.25