Finding the Third Proportional to 458,242 and 1,006,142

Step by Step Solution

1. Step 1: Write the proportion equation
   458,242 : 1,006,142 = 1,006,142 : x
2. Step 2: Convert to fraction form
   458,242/1,006,142 = 1,006,142/x
3. Step 3: Cross multiply
   458,242x = 1,006,142 × 1,006,142
4. Step 4: Simplify right side
   458,242x = 1,012,321,724,164
5. Step 5: Solve for x
   x = 1,012,321,724,164/458,242
6. Step 6: Final answer
   x = 2,209,142.17