Finding the Third Proportional to 3,123,992 and 6,820,816

Step by Step Solution

1. Step 1: Write the proportion equation
   3,123,992 : 6,820,816 = 6,820,816 : x
2. Step 2: Convert to fraction form
   3,123,992/6,820,816 = 6,820,816/x
3. Step 3: Cross multiply
   3,123,992x = 6,820,816 × 6,820,816
4. Step 4: Simplify right side
   3,123,992x = 46,523,530,905,856
5. Step 5: Solve for x
   x = 46,523,530,905,856/3,123,992
6. Step 6: Final answer
   x = 14,892,333.56