Finding the Third Proportional to 671,808 and 1,040,168

Step by Step Solution

1. Step 1: Write the proportion equation
   671,808 : 1,040,168 = 1,040,168 : x
2. Step 2: Convert to fraction form
   671,808/1,040,168 = 1,040,168/x
3. Step 3: Cross multiply
   671,808x = 1,040,168 × 1,040,168
4. Step 4: Simplify right side
   671,808x = 1,081,949,468,224
5. Step 5: Solve for x
   x = 1,081,949,468,224/671,808
6. Step 6: Final answer
   x = 1,610,504.00