Finding the Third Proportional to 426,490 and 912,036

Step by Step Solution

1. Step 1: Write the proportion equation
   426,490 : 912,036 = 912,036 : x
2. Step 2: Convert to fraction form
   426,490/912,036 = 912,036/x
3. Step 3: Cross multiply
   426,490x = 912,036 × 912,036
4. Step 4: Simplify right side
   426,490x = 831,809,665,296
5. Step 5: Solve for x
   x = 831,809,665,296/426,490
6. Step 6: Final answer
   x = 1,950,361.47