Finding the Third Proportional to 91,328.50 and 143,303.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,328.50 : 143,303.50 = 143,303.50 : x
2. Step 2: Convert to fraction form
   91,328.50/143,303.50 = 143,303.50/x
3. Step 3: Cross multiply
   91,328.50x = 143,303.50 × 143,303.50
4. Step 4: Simplify right side
   91,328.50x = 20,535,893,112.25
5. Step 5: Solve for x
   x = 20,535,893,112.25/91,328.50
6. Step 6: Final answer
   x = 224,857.44