Finding the Third Proportional to 90,156.38 and 142,760.63

Step by Step Solution

1. Step 1: Write the proportion equation
   90,156.38 : 142,760.63 = 142,760.63 : x
2. Step 2: Convert to fraction form
   90,156.38/142,760.63 = 142,760.63/x
3. Step 3: Cross multiply
   90,156.38x = 142,760.63 × 142,760.63
4. Step 4: Simplify right side
   90,156.38x = 20,380,596,050.39
5. Step 5: Solve for x
   x = 20,380,596,050.39/90,156.38
6. Step 6: Final answer
   x = 226,058.29