Finding the Third Proportional to 4,021,920 and 5,164,038

Step by Step Solution

1. Step 1: Write the proportion equation
   4,021,920 : 5,164,038 = 5,164,038 : x
2. Step 2: Convert to fraction form
   4,021,920/5,164,038 = 5,164,038/x
3. Step 3: Cross multiply
   4,021,920x = 5,164,038 × 5,164,038
4. Step 4: Simplify right side
   4,021,920x = 26,667,288,465,444
5. Step 5: Solve for x
   x = 26,667,288,465,444/4,021,920
6. Step 6: Final answer
   x = 6,630,487.05