Finding the Third Proportional to 1,970,016 and 4,254,336

Step by Step Solution

1. Step 1: Write the proportion equation
   1,970,016 : 4,254,336 = 4,254,336 : x
2. Step 2: Convert to fraction form
   1,970,016/4,254,336 = 4,254,336/x
3. Step 3: Cross multiply
   1,970,016x = 4,254,336 × 4,254,336
4. Step 4: Simplify right side
   1,970,016x = 18,099,374,800,896
5. Step 5: Solve for x
   x = 18,099,374,800,896/1,970,016
6. Step 6: Final answer
   x = 9,187,425.28