Finding the Third Proportional to 620,906 and 949,180

Step by Step Solution

1. Step 1: Write the proportion equation
   620,906 : 949,180 = 949,180 : x
2. Step 2: Convert to fraction form
   620,906/949,180 = 949,180/x
3. Step 3: Cross multiply
   620,906x = 949,180 × 949,180
4. Step 4: Simplify right side
   620,906x = 900,942,672,400
5. Step 5: Solve for x
   x = 900,942,672,400/620,906
6. Step 6: Final answer
   x = 1,451,012.99