Finding the Third Proportional to 89,816 and 140,484

Step by Step Solution

1. Step 1: Write the proportion equation
   89,816 : 140,484 = 140,484 : x
2. Step 2: Convert to fraction form
   89,816/140,484 = 140,484/x
3. Step 3: Cross multiply
   89,816x = 140,484 × 140,484
4. Step 4: Simplify right side
   89,816x = 19,735,754,256
5. Step 5: Solve for x
   x = 19,735,754,256/89,816
6. Step 6: Final answer
   x = 219,735.40