Finding the Third Proportional to 426,478 and 912,004

Step by Step Solution

1. Step 1: Write the proportion equation
   426,478 : 912,004 = 912,004 : x
2. Step 2: Convert to fraction form
   426,478/912,004 = 912,004/x
3. Step 3: Cross multiply
   426,478x = 912,004 × 912,004
4. Step 4: Simplify right side
   426,478x = 831,751,296,016
5. Step 5: Solve for x
   x = 831,751,296,016/426,478
6. Step 6: Final answer
   x = 1,950,279.49