Finding the Third Proportional to 89,737 and 140,790.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,737 : 140,790.50 = 140,790.50 : x
2. Step 2: Convert to fraction form
   89,737/140,790.50 = 140,790.50/x
3. Step 3: Cross multiply
   89,737x = 140,790.50 × 140,790.50
4. Step 4: Simplify right side
   89,737x = 19,821,964,890.25
5. Step 5: Solve for x
   x = 19,821,964,890.25/89,737
6. Step 6: Final answer
   x = 220,889.54