Finding the Third Proportional to 45,408.09 and 99,240.19

Step by Step Solution

1. Step 1: Write the proportion equation
   45,408.09 : 99,240.19 = 99,240.19 : x
2. Step 2: Convert to fraction form
   45,408.09/99,240.19 = 99,240.19/x
3. Step 3: Cross multiply
   45,408.09x = 99,240.19 × 99,240.19
4. Step 4: Simplify right side
   45,408.09x = 9,848,614,815.04
5. Step 5: Solve for x
   x = 9,848,614,815.04/45,408.09
6. Step 6: Final answer
   x = 216,891.18