Finding the Third Proportional to 859,419 and 1,872,900

Step by Step Solution

1. Step 1: Write the proportion equation
   859,419 : 1,872,900 = 1,872,900 : x
2. Step 2: Convert to fraction form
   859,419/1,872,900 = 1,872,900/x
3. Step 3: Cross multiply
   859,419x = 1,872,900 × 1,872,900
4. Step 4: Simplify right side
   859,419x = 3,507,754,410,000
5. Step 5: Solve for x
   x = 3,507,754,410,000/859,419
6. Step 6: Final answer
   x = 4,081,541.61