Finding the Third Proportional to 91,105.50 and 142,905

Step by Step Solution

1. Step 1: Write the proportion equation
   91,105.50 : 142,905 = 142,905 : x
2. Step 2: Convert to fraction form
   91,105.50/142,905 = 142,905/x
3. Step 3: Cross multiply
   91,105.50x = 142,905 × 142,905
4. Step 4: Simplify right side
   91,105.50x = 20,421,839,025
5. Step 5: Solve for x
   x = 20,421,839,025/91,105.50
6. Step 6: Final answer
   x = 224,155.94