Finding the Third Proportional to 611,824.50 and 860,049

Step by Step Solution

1. Step 1: Write the proportion equation
   611,824.50 : 860,049 = 860,049 : x
2. Step 2: Convert to fraction form
   611,824.50/860,049 = 860,049/x
3. Step 3: Cross multiply
   611,824.50x = 860,049 × 860,049
4. Step 4: Simplify right side
   611,824.50x = 739,684,282,401
5. Step 5: Solve for x
   x = 739,684,282,401/611,824.50
6. Step 6: Final answer
   x = 1,208,981.14