Finding the Third Proportional to 530,228 and 803,064

Step by Step Solution

1. Step 1: Write the proportion equation
   530,228 : 803,064 = 803,064 : x
2. Step 2: Convert to fraction form
   530,228/803,064 = 803,064/x
3. Step 3: Cross multiply
   530,228x = 803,064 × 803,064
4. Step 4: Simplify right side
   530,228x = 644,911,788,096
5. Step 5: Solve for x
   x = 644,911,788,096/530,228
6. Step 6: Final answer
   x = 1,216,291.46