Finding the Third Proportional to 389,714 and 837,444.50

Step by Step Solution

1. Step 1: Write the proportion equation
   389,714 : 837,444.50 = 837,444.50 : x
2. Step 2: Convert to fraction form
   389,714/837,444.50 = 837,444.50/x
3. Step 3: Cross multiply
   389,714x = 837,444.50 × 837,444.50
4. Step 4: Simplify right side
   389,714x = 701,313,290,580.25
5. Step 5: Solve for x
   x = 701,313,290,580.25/389,714
6. Step 6: Final answer
   x = 1,799,558.88