Finding the Third Proportional to 542,964.50 and 1,158,039

Step by Step Solution

1. Step 1: Write the proportion equation
   542,964.50 : 1,158,039 = 1,158,039 : x
2. Step 2: Convert to fraction form
   542,964.50/1,158,039 = 1,158,039/x
3. Step 3: Cross multiply
   542,964.50x = 1,158,039 × 1,158,039
4. Step 4: Simplify right side
   542,964.50x = 1,341,054,325,521
5. Step 5: Solve for x
   x = 1,341,054,325,521/542,964.50
6. Step 6: Final answer
   x = 2,469,874.78