Finding the Third Proportional to 369,303 and 803,309.50

Step by Step Solution

1. Step 1: Write the proportion equation
   369,303 : 803,309.50 = 803,309.50 : x
2. Step 2: Convert to fraction form
   369,303/803,309.50 = 803,309.50/x
3. Step 3: Cross multiply
   369,303x = 803,309.50 × 803,309.50
4. Step 4: Simplify right side
   369,303x = 645,306,152,790.25
5. Step 5: Solve for x
   x = 645,306,152,790.25/369,303
6. Step 6: Final answer
   x = 1,747,362.34