Finding the Third Proportional to 388,152 and 822,960

Step by Step Solution

1. Step 1: Write the proportion equation
   388,152 : 822,960 = 822,960 : x
2. Step 2: Convert to fraction form
   388,152/822,960 = 822,960/x
3. Step 3: Cross multiply
   388,152x = 822,960 × 822,960
4. Step 4: Simplify right side
   388,152x = 677,263,161,600
5. Step 5: Solve for x
   x = 677,263,161,600/388,152
6. Step 6: Final answer
   x = 1,744,840.07