Finding the Third Proportional to 384,642 and 837,013.50

Step by Step Solution

1. Step 1: Write the proportion equation
   384,642 : 837,013.50 = 837,013.50 : x
2. Step 2: Convert to fraction form
   384,642/837,013.50 = 837,013.50/x
3. Step 3: Cross multiply
   384,642x = 837,013.50 × 837,013.50
4. Step 4: Simplify right side
   384,642x = 700,591,599,182.25
5. Step 5: Solve for x
   x = 700,591,599,182.25/384,642
6. Step 6: Final answer
   x = 1,821,412.12