Finding the Third Proportional to 1,434,978 and 3,149,844

Step by Step Solution

1. Step 1: Write the proportion equation
   1,434,978 : 3,149,844 = 3,149,844 : x
2. Step 2: Convert to fraction form
   1,434,978/3,149,844 = 3,149,844/x
3. Step 3: Cross multiply
   1,434,978x = 3,149,844 × 3,149,844
4. Step 4: Simplify right side
   1,434,978x = 9,921,517,224,336
5. Step 5: Solve for x
   x = 9,921,517,224,336/1,434,978
6. Step 6: Final answer
   x = 6,914,055.28