Finding the Third Proportional to 398,754 and 875,014

Step by Step Solution

1. Step 1: Write the proportion equation
   398,754 : 875,014 = 875,014 : x
2. Step 2: Convert to fraction form
   398,754/875,014 = 875,014/x
3. Step 3: Cross multiply
   398,754x = 875,014 × 875,014
4. Step 4: Simplify right side
   398,754x = 765,649,500,196
5. Step 5: Solve for x
   x = 765,649,500,196/398,754
6. Step 6: Final answer
   x = 1,920,104.88