Finding the Third Proportional to 3,123,111 and 7,229,344

Step by Step Solution

1. Step 1: Write the proportion equation
   3,123,111 : 7,229,344 = 7,229,344 : x
2. Step 2: Convert to fraction form
   3,123,111/7,229,344 = 7,229,344/x
3. Step 3: Cross multiply
   3,123,111x = 7,229,344 × 7,229,344
4. Step 4: Simplify right side
   3,123,111x = 52,263,414,670,336
5. Step 5: Solve for x
   x = 52,263,414,670,336/3,123,111
6. Step 6: Final answer
   x = 16,734,408.31