Finding the Third Proportional to 3,322,938 and 4,978,863

Step by Step Solution

1. Step 1: Write the proportion equation
   3,322,938 : 4,978,863 = 4,978,863 : x
2. Step 2: Convert to fraction form
   3,322,938/4,978,863 = 4,978,863/x
3. Step 3: Cross multiply
   3,322,938x = 4,978,863 × 4,978,863
4. Step 4: Simplify right side
   3,322,938x = 24,789,076,772,769
5. Step 5: Solve for x
   x = 24,789,076,772,769/3,322,938
6. Step 6: Final answer
   x = 7,459,987.75