Finding the Third Proportional to 304,303.50 and 649,314

Step by Step Solution

1. Step 1: Write the proportion equation
   304,303.50 : 649,314 = 649,314 : x
2. Step 2: Convert to fraction form
   304,303.50/649,314 = 649,314/x
3. Step 3: Cross multiply
   304,303.50x = 649,314 × 649,314
4. Step 4: Simplify right side
   304,303.50x = 421,608,670,596
5. Step 5: Solve for x
   x = 421,608,670,596/304,303.50
6. Step 6: Final answer
   x = 1,385,487.42