Finding the Third Proportional to 2,923,992 and 4,385,988

Step by Step Solution

1. Step 1: Write the proportion equation
   2,923,992 : 4,385,988 = 4,385,988 : x
2. Step 2: Convert to fraction form
   2,923,992/4,385,988 = 4,385,988/x
3. Step 3: Cross multiply
   2,923,992x = 4,385,988 × 4,385,988
4. Step 4: Simplify right side
   2,923,992x = 19,236,890,736,144
5. Step 5: Solve for x
   x = 19,236,890,736,144/2,923,992
6. Step 6: Final answer
   x = 6,578,982