Finding the Third Proportional to 754,178 and 1,641,268

Step by Step Solution

1. Step 1: Write the proportion equation
   754,178 : 1,641,268 = 1,641,268 : x
2. Step 2: Convert to fraction form
   754,178/1,641,268 = 1,641,268/x
3. Step 3: Cross multiply
   754,178x = 1,641,268 × 1,641,268
4. Step 4: Simplify right side
   754,178x = 2,693,760,647,824
5. Step 5: Solve for x
   x = 2,693,760,647,824/754,178
6. Step 6: Final answer
   x = 3,571,783.65