Finding the Third Proportional to 91,818.88 and 140,366.63

Step by Step Solution

1. Step 1: Write the proportion equation
   91,818.88 : 140,366.63 = 140,366.63 : x
2. Step 2: Convert to fraction form
   91,818.88/140,366.63 = 140,366.63/x
3. Step 3: Cross multiply
   91,818.88x = 140,366.63 × 140,366.63
4. Step 4: Simplify right side
   91,818.88x = 19,702,789,413.89
5. Step 5: Solve for x
   x = 19,702,789,413.89/91,818.88
6. Step 6: Final answer
   x = 214,583.22