Finding the Third Proportional to 3,911,978 and 5,984,202

Step by Step Solution

1. Step 1: Write the proportion equation
   3,911,978 : 5,984,202 = 5,984,202 : x
2. Step 2: Convert to fraction form
   3,911,978/5,984,202 = 5,984,202/x
3. Step 3: Cross multiply
   3,911,978x = 5,984,202 × 5,984,202
4. Step 4: Simplify right side
   3,911,978x = 35,810,673,576,804
5. Step 5: Solve for x
   x = 35,810,673,576,804/3,911,978
6. Step 6: Final answer
   x = 9,154,109.14