Finding the Third Proportional to 91,176.75 and 142,300.69

Step by Step Solution

1. Step 1: Write the proportion equation
   91,176.75 : 142,300.69 = 142,300.69 : x
2. Step 2: Convert to fraction form
   91,176.75/142,300.69 = 142,300.69/x
3. Step 3: Cross multiply
   91,176.75x = 142,300.69 × 142,300.69
4. Step 4: Simplify right side
   91,176.75x = 20,249,485,662.97
5. Step 5: Solve for x
   x = 20,249,485,662.97/91,176.75
6. Step 6: Final answer
   x = 222,090.45