Finding the Third Proportional to 458,118 and 699,023.25

Step by Step Solution

1. Step 1: Write the proportion equation
   458,118 : 699,023.25 = 699,023.25 : x
2. Step 2: Convert to fraction form
   458,118/699,023.25 = 699,023.25/x
3. Step 3: Cross multiply
   458,118x = 699,023.25 × 699,023.25
4. Step 4: Simplify right side
   458,118x = 488,633,504,040.56
5. Step 5: Solve for x
   x = 488,633,504,040.56/458,118
6. Step 6: Final answer
   x = 1,066,610.58