Finding the Third Proportional to 458,440 and 1,002,080

Step by Step Solution

1. Step 1: Write the proportion equation
   458,440 : 1,002,080 = 1,002,080 : x
2. Step 2: Convert to fraction form
   458,440/1,002,080 = 1,002,080/x
3. Step 3: Cross multiply
   458,440x = 1,002,080 × 1,002,080
4. Step 4: Simplify right side
   458,440x = 1,004,164,326,400
5. Step 5: Solve for x
   x = 1,004,164,326,400/458,440
6. Step 6: Final answer
   x = 2,190,394.22