Finding the Third Proportional to 89,320.75 and 142,181.25

Step by Step Solution

1. Step 1: Write the proportion equation
   89,320.75 : 142,181.25 = 142,181.25 : x
2. Step 2: Convert to fraction form
   89,320.75/142,181.25 = 142,181.25/x
3. Step 3: Cross multiply
   89,320.75x = 142,181.25 × 142,181.25
4. Step 4: Simplify right side
   89,320.75x = 20,215,507,851.56
5. Step 5: Solve for x
   x = 20,215,507,851.56/89,320.75
6. Step 6: Final answer
   x = 226,324.88