Finding the Third Proportional to 814,118 and 1,245,353

Step by Step Solution

1. Step 1: Write the proportion equation
   814,118 : 1,245,353 = 1,245,353 : x
2. Step 2: Convert to fraction form
   814,118/1,245,353 = 1,245,353/x
3. Step 3: Cross multiply
   814,118x = 1,245,353 × 1,245,353
4. Step 4: Simplify right side
   814,118x = 1,550,904,094,609
5. Step 5: Solve for x
   x = 1,550,904,094,609/814,118
6. Step 6: Final answer
   x = 1,905,011.43