Finding the Third Proportional to 3,649,908 and 7,941,978

Step by Step Solution

1. Step 1: Write the proportion equation
   3,649,908 : 7,941,978 = 7,941,978 : x
2. Step 2: Convert to fraction form
   3,649,908/7,941,978 = 7,941,978/x
3. Step 3: Cross multiply
   3,649,908x = 7,941,978 × 7,941,978
4. Step 4: Simplify right side
   3,649,908x = 63,075,014,552,484
5. Step 5: Solve for x
   x = 63,075,014,552,484/3,649,908
6. Step 6: Final answer
   x = 17,281,261.49