Finding the Third Proportional to 388,916 and 599,968

Step by Step Solution

1. Step 1: Write the proportion equation
   388,916 : 599,968 = 599,968 : x
2. Step 2: Convert to fraction form
   388,916/599,968 = 599,968/x
3. Step 3: Cross multiply
   388,916x = 599,968 × 599,968
4. Step 4: Simplify right side
   388,916x = 359,961,601,024
5. Step 5: Solve for x
   x = 359,961,601,024/388,916
6. Step 6: Final answer
   x = 925,551.02