Finding the Third Proportional to 862,206 and 1,878,828

Step by Step Solution

1. Step 1: Write the proportion equation
   862,206 : 1,878,828 = 1,878,828 : x
2. Step 2: Convert to fraction form
   862,206/1,878,828 = 1,878,828/x
3. Step 3: Cross multiply
   862,206x = 1,878,828 × 1,878,828
4. Step 4: Simplify right side
   862,206x = 3,529,994,653,584
5. Step 5: Solve for x
   x = 3,529,994,653,584/862,206
6. Step 6: Final answer
   x = 4,094,142.99