Finding the Third Proportional to 365,760 and 522,030

Step by Step Solution

1. Step 1: Write the proportion equation
   365,760 : 522,030 = 522,030 : x
2. Step 2: Convert to fraction form
   365,760/522,030 = 522,030/x
3. Step 3: Cross multiply
   365,760x = 522,030 × 522,030
4. Step 4: Simplify right side
   365,760x = 272,515,320,900
5. Step 5: Solve for x
   x = 272,515,320,900/365,760
6. Step 6: Final answer
   x = 745,065.95