Finding the Third Proportional to 3,171,982 and 4,758,946

Step by Step Solution

1. Step 1: Write the proportion equation
   3,171,982 : 4,758,946 = 4,758,946 : x
2. Step 2: Convert to fraction form
   3,171,982/4,758,946 = 4,758,946/x
3. Step 3: Cross multiply
   3,171,982x = 4,758,946 × 4,758,946
4. Step 4: Simplify right side
   3,171,982x = 22,647,567,030,916
5. Step 5: Solve for x
   x = 22,647,567,030,916/3,171,982
6. Step 6: Final answer
   x = 7,139,878.80