Finding the Third Proportional to 301,306.50 and 656,436

Step by Step Solution

1. Step 1: Write the proportion equation
   301,306.50 : 656,436 = 656,436 : x
2. Step 2: Convert to fraction form
   301,306.50/656,436 = 656,436/x
3. Step 3: Cross multiply
   301,306.50x = 656,436 × 656,436
4. Step 4: Simplify right side
   301,306.50x = 430,908,222,096
5. Step 5: Solve for x
   x = 430,908,222,096/301,306.50
6. Step 6: Final answer
   x = 1,430,132.51