Finding the Third Proportional to 66,256.50 and 141,981

Step by Step Solution

1. Step 1: Write the proportion equation
   66,256.50 : 141,981 = 141,981 : x
2. Step 2: Convert to fraction form
   66,256.50/141,981 = 141,981/x
3. Step 3: Cross multiply
   66,256.50x = 141,981 × 141,981
4. Step 4: Simplify right side
   66,256.50x = 20,158,604,361
5. Step 5: Solve for x
   x = 20,158,604,361/66,256.50
6. Step 6: Final answer
   x = 304,250.97