Finding the Third Proportional to 91,028.25 and 141,336

Step by Step Solution

1. Step 1: Write the proportion equation
   91,028.25 : 141,336 = 141,336 : x
2. Step 2: Convert to fraction form
   91,028.25/141,336 = 141,336/x
3. Step 3: Cross multiply
   91,028.25x = 141,336 × 141,336
4. Step 4: Simplify right side
   91,028.25x = 19,975,864,896
5. Step 5: Solve for x
   x = 19,975,864,896/91,028.25
6. Step 6: Final answer
   x = 219,446.87