Finding the Third Proportional to 3,456,978 and 5,233,230

Step by Step Solution

1. Step 1: Write the proportion equation
   3,456,978 : 5,233,230 = 5,233,230 : x
2. Step 2: Convert to fraction form
   3,456,978/5,233,230 = 5,233,230/x
3. Step 3: Cross multiply
   3,456,978x = 5,233,230 × 5,233,230
4. Step 4: Simplify right side
   3,456,978x = 27,386,696,232,900
5. Step 5: Solve for x
   x = 27,386,696,232,900/3,456,978
6. Step 6: Final answer
   x = 7,922,149.41