Finding the Third Proportional to 1,997,200 and 4,274,336

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997,200 : 4,274,336 = 4,274,336 : x
2. Step 2: Convert to fraction form
   1,997,200/4,274,336 = 4,274,336/x
3. Step 3: Cross multiply
   1,997,200x = 4,274,336 × 4,274,336
4. Step 4: Simplify right side
   1,997,200x = 18,269,948,240,896
5. Step 5: Solve for x
   x = 18,269,948,240,896/1,997,200
6. Step 6: Final answer
   x = 9,147,781.01