Finding the Third Proportional to 859,425 and 1,872,912

Step by Step Solution

1. Step 1: Write the proportion equation
   859,425 : 1,872,912 = 1,872,912 : x
2. Step 2: Convert to fraction form
   859,425/1,872,912 = 1,872,912/x
3. Step 3: Cross multiply
   859,425x = 1,872,912 × 1,872,912
4. Step 4: Simplify right side
   859,425x = 3,507,799,359,744
5. Step 5: Solve for x
   x = 3,507,799,359,744/859,425
6. Step 6: Final answer
   x = 4,081,565.42