Finding the Third Proportional to 16,618 and 35,876.75

Step by Step Solution

1. Step 1: Write the proportion equation
   16,618 : 35,876.75 = 35,876.75 : x
2. Step 2: Convert to fraction form
   16,618/35,876.75 = 35,876.75/x
3. Step 3: Cross multiply
   16,618x = 35,876.75 × 35,876.75
4. Step 4: Simplify right side
   16,618x = 1,287,141,190.56
5. Step 5: Solve for x
   x = 1,287,141,190.56/16,618
6. Step 6: Final answer
   x = 77,454.64