Finding the Third Proportional to 492,642 and 741,150

Step by Step Solution

1. Step 1: Write the proportion equation
   492,642 : 741,150 = 741,150 : x
2. Step 2: Convert to fraction form
   492,642/741,150 = 741,150/x
3. Step 3: Cross multiply
   492,642x = 741,150 × 741,150
4. Step 4: Simplify right side
   492,642x = 549,303,322,500
5. Step 5: Solve for x
   x = 549,303,322,500/492,642
6. Step 6: Final answer
   x = 1,115,015.21