Finding the Third Proportional to 388,866 and 599,862

Step by Step Solution

1. Step 1: Write the proportion equation
   388,866 : 599,862 = 599,862 : x
2. Step 2: Convert to fraction form
   388,866/599,862 = 599,862/x
3. Step 3: Cross multiply
   388,866x = 599,862 × 599,862
4. Step 4: Simplify right side
   388,866x = 359,834,419,044
5. Step 5: Solve for x
   x = 359,834,419,044/388,866
6. Step 6: Final answer
   x = 925,342.97