Finding the Third Proportional to 3,171,980 and 4,758,942

Step by Step Solution

1. Step 1: Write the proportion equation
   3,171,980 : 4,758,942 = 4,758,942 : x
2. Step 2: Convert to fraction form
   3,171,980/4,758,942 = 4,758,942/x
3. Step 3: Cross multiply
   3,171,980x = 4,758,942 × 4,758,942
4. Step 4: Simplify right side
   3,171,980x = 22,647,528,959,364
5. Step 5: Solve for x
   x = 22,647,528,959,364/3,171,980
6. Step 6: Final answer
   x = 7,139,871.30