Finding the Third Proportional to 806,178 and 1,759,716

Step by Step Solution

1. Step 1: Write the proportion equation
   806,178 : 1,759,716 = 1,759,716 : x
2. Step 2: Convert to fraction form
   806,178/1,759,716 = 1,759,716/x
3. Step 3: Cross multiply
   806,178x = 1,759,716 × 1,759,716
4. Step 4: Simplify right side
   806,178x = 3,096,600,400,656
5. Step 5: Solve for x
   x = 3,096,600,400,656/806,178
6. Step 6: Final answer
   x = 3,841,087.70