Finding the Third Proportional to 1,601,222 and 3,517,372

Step by Step Solution

1. Step 1: Write the proportion equation
   1,601,222 : 3,517,372 = 3,517,372 : x
2. Step 2: Convert to fraction form
   1,601,222/3,517,372 = 3,517,372/x
3. Step 3: Cross multiply
   1,601,222x = 3,517,372 × 3,517,372
4. Step 4: Simplify right side
   1,601,222x = 12,371,905,786,384
5. Step 5: Solve for x
   x = 12,371,905,786,384/1,601,222
6. Step 6: Final answer
   x = 7,726,539.97