Finding the Third Proportional to 388,924 and 599,978

Step by Step Solution

1. Step 1: Write the proportion equation
   388,924 : 599,978 = 599,978 : x
2. Step 2: Convert to fraction form
   388,924/599,978 = 599,978/x
3. Step 3: Cross multiply
   388,924x = 599,978 × 599,978
4. Step 4: Simplify right side
   388,924x = 359,973,600,484
5. Step 5: Solve for x
   x = 359,973,600,484/388,924
6. Step 6: Final answer
   x = 925,562.84