Finding the Third Proportional to 530,236 and 803,076

Step by Step Solution

1. Step 1: Write the proportion equation
   530,236 : 803,076 = 803,076 : x
2. Step 2: Convert to fraction form
   530,236/803,076 = 803,076/x
3. Step 3: Cross multiply
   530,236x = 803,076 × 803,076
4. Step 4: Simplify right side
   530,236x = 644,931,061,776
5. Step 5: Solve for x
   x = 644,931,061,776/530,236
6. Step 6: Final answer
   x = 1,216,309.46