Finding the Third Proportional to 3,056,978 and 6,478,084

Step by Step Solution

1. Step 1: Write the proportion equation
   3,056,978 : 6,478,084 = 6,478,084 : x
2. Step 2: Convert to fraction form
   3,056,978/6,478,084 = 6,478,084/x
3. Step 3: Cross multiply
   3,056,978x = 6,478,084 × 6,478,084
4. Step 4: Simplify right side
   3,056,978x = 41,965,572,311,056
5. Step 5: Solve for x
   x = 41,965,572,311,056/3,056,978
6. Step 6: Final answer
   x = 13,727,796.64