Finding the Third Proportional to 66,196.50 and 141,869

Step by Step Solution

1. Step 1: Write the proportion equation
   66,196.50 : 141,869 = 141,869 : x
2. Step 2: Convert to fraction form
   66,196.50/141,869 = 141,869/x
3. Step 3: Cross multiply
   66,196.50x = 141,869 × 141,869
4. Step 4: Simplify right side
   66,196.50x = 20,126,813,161
5. Step 5: Solve for x
   x = 20,126,813,161/66,196.50
6. Step 6: Final answer
   x = 304,046.49