Finding the Third Proportional to 135,105 and 291,150

Step by Step Solution

1. Step 1: Write the proportion equation
   135,105 : 291,150 = 291,150 : x
2. Step 2: Convert to fraction form
   135,105/291,150 = 291,150/x
3. Step 3: Cross multiply
   135,105x = 291,150 × 291,150
4. Step 4: Simplify right side
   135,105x = 84,768,322,500
5. Step 5: Solve for x
   x = 84,768,322,500/135,105
6. Step 6: Final answer
   x = 627,425.50