Finding the Third Proportional to 89,568 and 139,801.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,568 : 139,801.50 = 139,801.50 : x
2. Step 2: Convert to fraction form
   89,568/139,801.50 = 139,801.50/x
3. Step 3: Cross multiply
   89,568x = 139,801.50 × 139,801.50
4. Step 4: Simplify right side
   89,568x = 19,544,459,402.25
5. Step 5: Solve for x
   x = 19,544,459,402.25/89,568
6. Step 6: Final answer
   x = 218,208.06