Finding the Third Proportional to 3,171,982 and 4,758,945

Step by Step Solution

1. Step 1: Write the proportion equation
   3,171,982 : 4,758,945 = 4,758,945 : x
2. Step 2: Convert to fraction form
   3,171,982/4,758,945 = 4,758,945/x
3. Step 3: Cross multiply
   3,171,982x = 4,758,945 × 4,758,945
4. Step 4: Simplify right side
   3,171,982x = 22,647,557,513,025
5. Step 5: Solve for x
   x = 22,647,557,513,025/3,171,982
6. Step 6: Final answer
   x = 7,139,875.80