Finding the Third Proportional to 389,431.50 and 837,034

Step by Step Solution

1. Step 1: Write the proportion equation
   389,431.50 : 837,034 = 837,034 : x
2. Step 2: Convert to fraction form
   389,431.50/837,034 = 837,034/x
3. Step 3: Cross multiply
   389,431.50x = 837,034 × 837,034
4. Step 4: Simplify right side
   389,431.50x = 700,625,917,156
5. Step 5: Solve for x
   x = 700,625,917,156/389,431.50
6. Step 6: Final answer
   x = 1,799,099.24