Finding the Third Proportional to 88,642.69 and 133,054.73

Step by Step Solution

1. Step 1: Write the proportion equation
   88,642.69 : 133,054.73 = 133,054.73 : x
2. Step 2: Convert to fraction form
   88,642.69/133,054.73 = 133,054.73/x
3. Step 3: Cross multiply
   88,642.69x = 133,054.73 × 133,054.73
4. Step 4: Simplify right side
   88,642.69x = 17,703,562,339.60
5. Step 5: Solve for x
   x = 17,703,562,339.60/88,642.69
6. Step 6: Final answer
   x = 199,718.25