Finding the Third Proportional to 42,332.63 and 89,413.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,332.63 : 89,413.88 = 89,413.88 : x
2. Step 2: Convert to fraction form
   42,332.63/89,413.88 = 89,413.88/x
3. Step 3: Cross multiply
   42,332.63x = 89,413.88 × 89,413.88
4. Step 4: Simplify right side
   42,332.63x = 7,994,841,042.52
5. Step 5: Solve for x
   x = 7,994,841,042.52/42,332.63
6. Step 6: Final answer
   x = 188,857.67