Finding the Third Proportional to 2,952,978 and 4,489,200

Step by Step Solution

1. Step 1: Write the proportion equation
   2,952,978 : 4,489,200 = 4,489,200 : x
2. Step 2: Convert to fraction form
   2,952,978/4,489,200 = 4,489,200/x
3. Step 3: Cross multiply
   2,952,978x = 4,489,200 × 4,489,200
4. Step 4: Simplify right side
   2,952,978x = 20,152,916,640,000
5. Step 5: Solve for x
   x = 20,152,916,640,000/2,952,978
6. Step 6: Final answer
   x = 6,824,607.78