Finding the Third Proportional to 89,321 and 142,181.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,321 : 142,181.50 = 142,181.50 : x
2. Step 2: Convert to fraction form
   89,321/142,181.50 = 142,181.50/x
3. Step 3: Cross multiply
   89,321x = 142,181.50 × 142,181.50
4. Step 4: Simplify right side
   89,321x = 20,215,578,942.25
5. Step 5: Solve for x
   x = 20,215,578,942.25/89,321
6. Step 6: Final answer
   x = 226,325.04