Finding the Third Proportional to 548,066 and 860,950

Step by Step Solution

1. Step 1: Write the proportion equation
   548,066 : 860,950 = 860,950 : x
2. Step 2: Convert to fraction form
   548,066/860,950 = 860,950/x
3. Step 3: Cross multiply
   548,066x = 860,950 × 860,950
4. Step 4: Simplify right side
   548,066x = 741,234,902,500
5. Step 5: Solve for x
   x = 741,234,902,500/548,066
6. Step 6: Final answer
   x = 1,352,455.55