Finding the Third Proportional to 91,137.50 and 142,464

Step by Step Solution

1. Step 1: Write the proportion equation
   91,137.50 : 142,464 = 142,464 : x
2. Step 2: Convert to fraction form
   91,137.50/142,464 = 142,464/x
3. Step 3: Cross multiply
   91,137.50x = 142,464 × 142,464
4. Step 4: Simplify right side
   91,137.50x = 20,295,991,296
5. Step 5: Solve for x
   x = 20,295,991,296/91,137.50
6. Step 6: Final answer
   x = 222,696.38