Finding the Third Proportional to 3,920,862 and 5,996,640

Step by Step Solution

1. Step 1: Write the proportion equation
   3,920,862 : 5,996,640 = 5,996,640 : x
2. Step 2: Convert to fraction form
   3,920,862/5,996,640 = 5,996,640/x
3. Step 3: Cross multiply
   3,920,862x = 5,996,640 × 5,996,640
4. Step 4: Simplify right side
   3,920,862x = 35,959,691,289,600
5. Step 5: Solve for x
   x = 35,959,691,289,600/3,920,862
6. Step 6: Final answer
   x = 9,171,373.87