Finding the Third Proportional to 800,500 and 1,217,254

Step by Step Solution

1. Step 1: Write the proportion equation
   800,500 : 1,217,254 = 1,217,254 : x
2. Step 2: Convert to fraction form
   800,500/1,217,254 = 1,217,254/x
3. Step 3: Cross multiply
   800,500x = 1,217,254 × 1,217,254
4. Step 4: Simplify right side
   800,500x = 1,481,707,300,516
5. Step 5: Solve for x
   x = 1,481,707,300,516/800,500
6. Step 6: Final answer
   x = 1,850,977.26