Finding the Third Proportional to 2,021,939 and 4,328,186

Step by Step Solution

1. Step 1: Write the proportion equation
   2,021,939 : 4,328,186 = 4,328,186 : x
2. Step 2: Convert to fraction form
   2,021,939/4,328,186 = 4,328,186/x
3. Step 3: Cross multiply
   2,021,939x = 4,328,186 × 4,328,186
4. Step 4: Simplify right side
   2,021,939x = 18,733,194,050,596
5. Step 5: Solve for x
   x = 18,733,194,050,596/2,021,939
6. Step 6: Final answer
   x = 9,264,964.99