Finding the Third Proportional to 91,597.50 and 143,572.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,597.50 : 143,572.50 = 143,572.50 : x
2. Step 2: Convert to fraction form
   91,597.50/143,572.50 = 143,572.50/x
3. Step 3: Cross multiply
   91,597.50x = 143,572.50 × 143,572.50
4. Step 4: Simplify right side
   91,597.50x = 20,613,062,756.25
5. Step 5: Solve for x
   x = 20,613,062,756.25/91,597.50
6. Step 6: Final answer
   x = 225,039.58