Finding the Third Proportional to 266,728.50 and 629,622

Step by Step Solution

1. Step 1: Write the proportion equation
   266,728.50 : 629,622 = 629,622 : x
2. Step 2: Convert to fraction form
   266,728.50/629,622 = 629,622/x
3. Step 3: Cross multiply
   266,728.50x = 629,622 × 629,622
4. Step 4: Simplify right side
   266,728.50x = 396,423,862,884
5. Step 5: Solve for x
   x = 396,423,862,884/266,728.50
6. Step 6: Final answer
   x = 1,486,244.86