Finding the Third Proportional to 2,112,338 and 3,178,623

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112,338 : 3,178,623 = 3,178,623 : x
2. Step 2: Convert to fraction form
   2,112,338/3,178,623 = 3,178,623/x
3. Step 3: Cross multiply
   2,112,338x = 3,178,623 × 3,178,623
4. Step 4: Simplify right side
   2,112,338x = 10,103,644,176,129
5. Step 5: Solve for x
   x = 10,103,644,176,129/2,112,338
6. Step 6: Final answer
   x = 4,783,156.95