Finding the Third Proportional to 8,428.50 and 17,479.13

Step by Step Solution

1. Step 1: Write the proportion equation
   8,428.50 : 17,479.13 = 17,479.13 : x
2. Step 2: Convert to fraction form
   8,428.50/17,479.13 = 17,479.13/x
3. Step 3: Cross multiply
   8,428.50x = 17,479.13 × 17,479.13
4. Step 4: Simplify right side
   8,428.50x = 305,519,810.77
5. Step 5: Solve for x
   x = 305,519,810.77/8,428.50
6. Step 6: Final answer
   x = 36,248.42