Finding the Third Proportional to 384,664.88 and 837,055.50

Step by Step Solution

1. Step 1: Write the proportion equation
   384,664.88 : 837,055.50 = 837,055.50 : x
2. Step 2: Convert to fraction form
   384,664.88/837,055.50 = 837,055.50/x
3. Step 3: Cross multiply
   384,664.88x = 837,055.50 × 837,055.50
4. Step 4: Simplify right side
   384,664.88x = 700,661,910,080.25
5. Step 5: Solve for x
   x = 700,661,910,080.25/384,664.88
6. Step 6: Final answer
   x = 1,821,486.59