Finding the Third Proportional to 89,140.50 and 131,058

Step by Step Solution

1. Step 1: Write the proportion equation
   89,140.50 : 131,058 = 131,058 : x
2. Step 2: Convert to fraction form
   89,140.50/131,058 = 131,058/x
3. Step 3: Cross multiply
   89,140.50x = 131,058 × 131,058
4. Step 4: Simplify right side
   89,140.50x = 17,176,199,364
5. Step 5: Solve for x
   x = 17,176,199,364/89,140.50
6. Step 6: Final answer
   x = 192,686.82