Finding the Third Proportional to 851,391 and 1,862,595

Step by Step Solution

1. Step 1: Write the proportion equation
   851,391 : 1,862,595 = 1,862,595 : x
2. Step 2: Convert to fraction form
   851,391/1,862,595 = 1,862,595/x
3. Step 3: Cross multiply
   851,391x = 1,862,595 × 1,862,595
4. Step 4: Simplify right side
   851,391x = 3,469,260,134,025
5. Step 5: Solve for x
   x = 3,469,260,134,025/851,391
6. Step 6: Final answer
   x = 4,074,814.20