Finding the Third Proportional to 2,021,929 and 4,328,166

Step by Step Solution

1. Step 1: Write the proportion equation
   2,021,929 : 4,328,166 = 4,328,166 : x
2. Step 2: Convert to fraction form
   2,021,929/4,328,166 = 4,328,166/x
3. Step 3: Cross multiply
   2,021,929x = 4,328,166 × 4,328,166
4. Step 4: Simplify right side
   2,021,929x = 18,733,020,923,556
5. Step 5: Solve for x
   x = 18,733,020,923,556/2,021,929
6. Step 6: Final answer
   x = 9,264,925.19