Finding the Third Proportional to 91,822 and 141,783

Step by Step Solution

1. Step 1: Write the proportion equation
   91,822 : 141,783 = 141,783 : x
2. Step 2: Convert to fraction form
   91,822/141,783 = 141,783/x
3. Step 3: Cross multiply
   91,822x = 141,783 × 141,783
4. Step 4: Simplify right side
   91,822x = 20,102,419,089
5. Step 5: Solve for x
   x = 20,102,419,089/91,822
6. Step 6: Final answer
   x = 218,928.13