Finding the Third Proportional to 620,648 and 949,008

Step by Step Solution

1. Step 1: Write the proportion equation
   620,648 : 949,008 = 949,008 : x
2. Step 2: Convert to fraction form
   620,648/949,008 = 949,008/x
3. Step 3: Cross multiply
   620,648x = 949,008 × 949,008
4. Step 4: Simplify right side
   620,648x = 900,616,184,064
5. Step 5: Solve for x
   x = 900,616,184,064/620,648
6. Step 6: Final answer
   x = 1,451,090.13