Finding the Third Proportional to 628,148 and 945,676

Step by Step Solution

1. Step 1: Write the proportion equation
   628,148 : 945,676 = 945,676 : x
2. Step 2: Convert to fraction form
   628,148/945,676 = 945,676/x
3. Step 3: Cross multiply
   628,148x = 945,676 × 945,676
4. Step 4: Simplify right side
   628,148x = 894,303,096,976
5. Step 5: Solve for x
   x = 894,303,096,976/628,148
6. Step 6: Final answer
   x = 1,423,713.99