Finding the Third Proportional to 402,311.50 and 837,693

Step by Step Solution

1. Step 1: Write the proportion equation
   402,311.50 : 837,693 = 837,693 : x
2. Step 2: Convert to fraction form
   402,311.50/837,693 = 837,693/x
3. Step 3: Cross multiply
   402,311.50x = 837,693 × 837,693
4. Step 4: Simplify right side
   402,311.50x = 701,729,562,249
5. Step 5: Solve for x
   x = 701,729,562,249/402,311.50
6. Step 6: Final answer
   x = 1,744,244.35