Finding the Third Proportional to 939,276 and 2,055,780

Step by Step Solution

1. Step 1: Write the proportion equation
   939,276 : 2,055,780 = 2,055,780 : x
2. Step 2: Convert to fraction form
   939,276/2,055,780 = 2,055,780/x
3. Step 3: Cross multiply
   939,276x = 2,055,780 × 2,055,780
4. Step 4: Simplify right side
   939,276x = 4,226,231,408,400
5. Step 5: Solve for x
   x = 4,226,231,408,400/939,276
6. Step 6: Final answer
   x = 4,499,456.40