Finding the Third Proportional to 1,996,272 and 4,328,856

Step by Step Solution

1. Step 1: Write the proportion equation
   1,996,272 : 4,328,856 = 4,328,856 : x
2. Step 2: Convert to fraction form
   1,996,272/4,328,856 = 4,328,856/x
3. Step 3: Cross multiply
   1,996,272x = 4,328,856 × 4,328,856
4. Step 4: Simplify right side
   1,996,272x = 18,738,994,268,736
5. Step 5: Solve for x
   x = 18,738,994,268,736/1,996,272
6. Step 6: Final answer
   x = 9,386,994.49