Finding the Third Proportional to 304,300.50 and 656,715

Step by Step Solution

1. Step 1: Write the proportion equation
   304,300.50 : 656,715 = 656,715 : x
2. Step 2: Convert to fraction form
   304,300.50/656,715 = 656,715/x
3. Step 3: Cross multiply
   304,300.50x = 656,715 × 656,715
4. Step 4: Simplify right side
   304,300.50x = 431,274,591,225
5. Step 5: Solve for x
   x = 431,274,591,225/304,300.50
6. Step 6: Final answer
   x = 1,417,265.47