Finding the Third Proportional to 620,635.50 and 949,005

Step by Step Solution

1. Step 1: Write the proportion equation
   620,635.50 : 949,005 = 949,005 : x
2. Step 2: Convert to fraction form
   620,635.50/949,005 = 949,005/x
3. Step 3: Cross multiply
   620,635.50x = 949,005 × 949,005
4. Step 4: Simplify right side
   620,635.50x = 900,610,490,025
5. Step 5: Solve for x
   x = 900,610,490,025/620,635.50
6. Step 6: Final answer
   x = 1,451,110.18