Finding the Third Proportional to 91,018.75 and 142,468.25

Step by Step Solution

1. Step 1: Write the proportion equation
   91,018.75 : 142,468.25 = 142,468.25 : x
2. Step 2: Convert to fraction form
   91,018.75/142,468.25 = 142,468.25/x
3. Step 3: Cross multiply
   91,018.75x = 142,468.25 × 142,468.25
4. Step 4: Simplify right side
   91,018.75x = 20,297,202,258.06
5. Step 5: Solve for x
   x = 20,297,202,258.06/91,018.75
6. Step 6: Final answer
   x = 223,000.23