Finding the Third Proportional to 91,012.75 and 142,460.75

Step by Step Solution

1. Step 1: Write the proportion equation
   91,012.75 : 142,460.75 = 142,460.75 : x
2. Step 2: Convert to fraction form
   91,012.75/142,460.75 = 142,460.75/x
3. Step 3: Cross multiply
   91,012.75x = 142,460.75 × 142,460.75
4. Step 4: Simplify right side
   91,012.75x = 20,295,065,290.56
5. Step 5: Solve for x
   x = 20,295,065,290.56/91,012.75
6. Step 6: Final answer
   x = 222,991.45