Finding the Third Proportional to 530,202 and 803,025.50

Step by Step Solution

1. Step 1: Write the proportion equation
   530,202 : 803,025.50 = 803,025.50 : x
2. Step 2: Convert to fraction form
   530,202/803,025.50 = 803,025.50/x
3. Step 3: Cross multiply
   530,202x = 803,025.50 × 803,025.50
4. Step 4: Simplify right side
   530,202x = 644,849,953,650.25
5. Step 5: Solve for x
   x = 644,849,953,650.25/530,202
6. Step 6: Final answer
   x = 1,216,234.48