Finding the Third Proportional to 384,946.17 and 837,621

Step by Step Solution

1. Step 1: Write the proportion equation
   384,946.17 : 837,621 = 837,621 : x
2. Step 2: Convert to fraction form
   384,946.17/837,621 = 837,621/x
3. Step 3: Cross multiply
   384,946.17x = 837,621 × 837,621
4. Step 4: Simplify right side
   384,946.17x = 701,608,939,641
5. Step 5: Solve for x
   x = 701,608,939,641/384,946.17
6. Step 6: Final answer
   x = 1,822,615.71