Finding the Third Proportional to 65,553.38 and 99,216.75

Step by Step Solution

1. Step 1: Write the proportion equation
   65,553.38 : 99,216.75 = 99,216.75 : x
2. Step 2: Convert to fraction form
   65,553.38/99,216.75 = 99,216.75/x
3. Step 3: Cross multiply
   65,553.38x = 99,216.75 × 99,216.75
4. Step 4: Simplify right side
   65,553.38x = 9,843,963,480.56
5. Step 5: Solve for x
   x = 9,843,963,480.56/65,553.38
6. Step 6: Final answer
   x = 150,167.15