Finding the Third Proportional to 438,322 and 593,978

Step by Step Solution

1. Step 1: Write the proportion equation
   438,322 : 593,978 = 593,978 : x
2. Step 2: Convert to fraction form
   438,322/593,978 = 593,978/x
3. Step 3: Cross multiply
   438,322x = 593,978 × 593,978
4. Step 4: Simplify right side
   438,322x = 352,809,864,484
5. Step 5: Solve for x
   x = 352,809,864,484/438,322
6. Step 6: Final answer
   x = 804,910.24