Finding the Third Proportional to 301,309.50 and 656,442

Step by Step Solution

1. Step 1: Write the proportion equation
   301,309.50 : 656,442 = 656,442 : x
2. Step 2: Convert to fraction form
   301,309.50/656,442 = 656,442/x
3. Step 3: Cross multiply
   301,309.50x = 656,442 × 656,442
4. Step 4: Simplify right side
   301,309.50x = 430,916,099,364
5. Step 5: Solve for x
   x = 430,916,099,364/301,309.50
6. Step 6: Final answer
   x = 1,430,144.42