Finding the Third Proportional to 90,059.25 and 141,270

Step by Step Solution

1. Step 1: Write the proportion equation
   90,059.25 : 141,270 = 141,270 : x
2. Step 2: Convert to fraction form
   90,059.25/141,270 = 141,270/x
3. Step 3: Cross multiply
   90,059.25x = 141,270 × 141,270
4. Step 4: Simplify right side
   90,059.25x = 19,957,212,900
5. Step 5: Solve for x
   x = 19,957,212,900/90,059.25
6. Step 6: Final answer
   x = 221,600.92