Finding the Third Proportional to 89,242 and 143,511

Step by Step Solution

1. Step 1: Write the proportion equation
   89,242 : 143,511 = 143,511 : x
2. Step 2: Convert to fraction form
   89,242/143,511 = 143,511/x
3. Step 3: Cross multiply
   89,242x = 143,511 × 143,511
4. Step 4: Simplify right side
   89,242x = 20,595,407,121
5. Step 5: Solve for x
   x = 20,595,407,121/89,242
6. Step 6: Final answer
   x = 230,781.55