Finding the Third Proportional to 611,822 and 860,050

Step by Step Solution

1. Step 1: Write the proportion equation
   611,822 : 860,050 = 860,050 : x
2. Step 2: Convert to fraction form
   611,822/860,050 = 860,050/x
3. Step 3: Cross multiply
   611,822x = 860,050 × 860,050
4. Step 4: Simplify right side
   611,822x = 739,686,002,500
5. Step 5: Solve for x
   x = 739,686,002,500/611,822
6. Step 6: Final answer
   x = 1,208,988.89