Finding the Third Proportional to 620,892 and 949,158

Step by Step Solution

1. Step 1: Write the proportion equation
   620,892 : 949,158 = 949,158 : x
2. Step 2: Convert to fraction form
   620,892/949,158 = 949,158/x
3. Step 3: Cross multiply
   620,892x = 949,158 × 949,158
4. Step 4: Simplify right side
   620,892x = 900,900,908,964
5. Step 5: Solve for x
   x = 900,900,908,964/620,892
6. Step 6: Final answer
   x = 1,450,978.45