Finding the Third Proportional to 2,474,978 and 3,938,215

Step by Step Solution

1. Step 1: Write the proportion equation
   2,474,978 : 3,938,215 = 3,938,215 : x
2. Step 2: Convert to fraction form
   2,474,978/3,938,215 = 3,938,215/x
3. Step 3: Cross multiply
   2,474,978x = 3,938,215 × 3,938,215
4. Step 4: Simplify right side
   2,474,978x = 15,509,537,386,225
5. Step 5: Solve for x
   x = 15,509,537,386,225/2,474,978
6. Step 6: Final answer
   x = 6,266,535.45