Finding the Third Proportional to 814,216 and 1,245,500

Step by Step Solution

1. Step 1: Write the proportion equation
   814,216 : 1,245,500 = 1,245,500 : x
2. Step 2: Convert to fraction form
   814,216/1,245,500 = 1,245,500/x
3. Step 3: Cross multiply
   814,216x = 1,245,500 × 1,245,500
4. Step 4: Simplify right side
   814,216x = 1,551,270,250,000
5. Step 5: Solve for x
   x = 1,551,270,250,000/814,216
6. Step 6: Final answer
   x = 1,905,231.84