Finding the Third Proportional to 392,874 and 837,262.50

Step by Step Solution

1. Step 1: Write the proportion equation
   392,874 : 837,262.50 = 837,262.50 : x
2. Step 2: Convert to fraction form
   392,874/837,262.50 = 837,262.50/x
3. Step 3: Cross multiply
   392,874x = 837,262.50 × 837,262.50
4. Step 4: Simplify right side
   392,874x = 701,008,493,906.25
5. Step 5: Solve for x
   x = 701,008,493,906.25/392,874
6. Step 6: Final answer
   x = 1,784,308.69