Finding the Third Proportional to 859,440 and 1,872,936

Step by Step Solution

1. Step 1: Write the proportion equation
   859,440 : 1,872,936 = 1,872,936 : x
2. Step 2: Convert to fraction form
   859,440/1,872,936 = 1,872,936/x
3. Step 3: Cross multiply
   859,440x = 1,872,936 × 1,872,936
4. Step 4: Simplify right side
   859,440x = 3,507,889,260,096
5. Step 5: Solve for x
   x = 3,507,889,260,096/859,440
6. Step 6: Final answer
   x = 4,081,598.79