Finding the Third Proportional to 859,446 and 1,872,972

Step by Step Solution

1. Step 1: Write the proportion equation
   859,446 : 1,872,972 = 1,872,972 : x
2. Step 2: Convert to fraction form
   859,446/1,872,972 = 1,872,972/x
3. Step 3: Cross multiply
   859,446x = 1,872,972 × 1,872,972
4. Step 4: Simplify right side
   859,446x = 3,508,024,112,784
5. Step 5: Solve for x
   x = 3,508,024,112,784/859,446
6. Step 6: Final answer
   x = 4,081,727.20