Finding the Third Proportional to 64,554 and 141,550.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,554 : 141,550.50 = 141,550.50 : x
2. Step 2: Convert to fraction form
   64,554/141,550.50 = 141,550.50/x
3. Step 3: Cross multiply
   64,554x = 141,550.50 × 141,550.50
4. Step 4: Simplify right side
   64,554x = 20,036,544,050.25
5. Step 5: Solve for x
   x = 20,036,544,050.25/64,554
6. Step 6: Final answer
   x = 310,384.24