Finding the Third Proportional to 859,423 and 1,872,908

Step by Step Solution

1. Step 1: Write the proportion equation
   859,423 : 1,872,908 = 1,872,908 : x
2. Step 2: Convert to fraction form
   859,423/1,872,908 = 1,872,908/x
3. Step 3: Cross multiply
   859,423x = 1,872,908 × 1,872,908
4. Step 4: Simplify right side
   859,423x = 3,507,784,376,464
5. Step 5: Solve for x
   x = 3,507,784,376,464/859,423
6. Step 6: Final answer
   x = 4,081,557.48