Finding the Third Proportional to 851,380 and 1,835,636

Step by Step Solution

1. Step 1: Write the proportion equation
   851,380 : 1,835,636 = 1,835,636 : x
2. Step 2: Convert to fraction form
   851,380/1,835,636 = 1,835,636/x
3. Step 3: Cross multiply
   851,380x = 1,835,636 × 1,835,636
4. Step 4: Simplify right side
   851,380x = 3,369,559,524,496
5. Step 5: Solve for x
   x = 3,369,559,524,496/851,380
6. Step 6: Final answer
   x = 3,957,762.13