Finding the Third Proportional to 91,664 and 141,929

Step by Step Solution

1. Step 1: Write the proportion equation
   91,664 : 141,929 = 141,929 : x
2. Step 2: Convert to fraction form
   91,664/141,929 = 141,929/x
3. Step 3: Cross multiply
   91,664x = 141,929 × 141,929
4. Step 4: Simplify right side
   91,664x = 20,143,841,041
5. Step 5: Solve for x
   x = 20,143,841,041/91,664
6. Step 6: Final answer
   x = 219,757.39