Finding the Third Proportional to 839,115 and 1,810,908

Step by Step Solution

1. Step 1: Write the proportion equation
   839,115 : 1,810,908 = 1,810,908 : x
2. Step 2: Convert to fraction form
   839,115/1,810,908 = 1,810,908/x
3. Step 3: Cross multiply
   839,115x = 1,810,908 × 1,810,908
4. Step 4: Simplify right side
   839,115x = 3,279,387,784,464
5. Step 5: Solve for x
   x = 3,279,387,784,464/839,115
6. Step 6: Final answer
   x = 3,908,150.59