Finding the Third Proportional to 356,737.50 and 522,306

Step by Step Solution

1. Step 1: Write the proportion equation
   356,737.50 : 522,306 = 522,306 : x
2. Step 2: Convert to fraction form
   356,737.50/522,306 = 522,306/x
3. Step 3: Cross multiply
   356,737.50x = 522,306 × 522,306
4. Step 4: Simplify right side
   356,737.50x = 272,803,557,636
5. Step 5: Solve for x
   x = 272,803,557,636/356,737.50
6. Step 6: Final answer
   x = 764,717.92