Finding the Third Proportional to 21,687.75 and 35,846.30

Step by Step Solution

1. Step 1: Write the proportion equation
   21,687.75 : 35,846.30 = 35,846.30 : x
2. Step 2: Convert to fraction form
   21,687.75/35,846.30 = 35,846.30/x
3. Step 3: Cross multiply
   21,687.75x = 35,846.30 × 35,846.30
4. Step 4: Simplify right side
   21,687.75x = 1,284,956,999.65
5. Step 5: Solve for x
   x = 1,284,956,999.65/21,687.75
6. Step 6: Final answer
   x = 59,248.05