Finding the Third Proportional to 388,158 and 844,656

Step by Step Solution

1. Step 1: Write the proportion equation
   388,158 : 844,656 = 844,656 : x
2. Step 2: Convert to fraction form
   388,158/844,656 = 844,656/x
3. Step 3: Cross multiply
   388,158x = 844,656 × 844,656
4. Step 4: Simplify right side
   388,158x = 713,443,758,336
5. Step 5: Solve for x
   x = 713,443,758,336/388,158
6. Step 6: Final answer
   x = 1,838,024.10