Finding the Third Proportional to 91,948.50 and 143,371.69

Step by Step Solution

1. Step 1: Write the proportion equation
   91,948.50 : 143,371.69 = 143,371.69 : x
2. Step 2: Convert to fraction form
   91,948.50/143,371.69 = 143,371.69/x
3. Step 3: Cross multiply
   91,948.50x = 143,371.69 × 143,371.69
4. Step 4: Simplify right side
   91,948.50x = 20,555,440,776.60
5. Step 5: Solve for x
   x = 20,555,440,776.60/91,948.50
6. Step 6: Final answer
   x = 223,553.85