Finding the Third Proportional to 45,612 and 99,612

Step by Step Solution

1. Step 1: Write the proportion equation
   45,612 : 99,612 = 99,612 : x
2. Step 2: Convert to fraction form
   45,612/99,612 = 99,612/x
3. Step 3: Cross multiply
   45,612x = 99,612 × 99,612
4. Step 4: Simplify right side
   45,612x = 9,922,550,544
5. Step 5: Solve for x
   x = 9,922,550,544/45,612
6. Step 6: Final answer
   x = 217,542.54