Finding the Third Proportional to 90,301.50 and 143,106.75

Step by Step Solution

1. Step 1: Write the proportion equation
   90,301.50 : 143,106.75 = 143,106.75 : x
2. Step 2: Convert to fraction form
   90,301.50/143,106.75 = 143,106.75/x
3. Step 3: Cross multiply
   90,301.50x = 143,106.75 × 143,106.75
4. Step 4: Simplify right side
   90,301.50x = 20,479,541,895.56
5. Step 5: Solve for x
   x = 20,479,541,895.56/90,301.50
6. Step 6: Final answer
   x = 226,790.72