Finding the Third Proportional to 15,282 and 21,802.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,282 : 21,802.50 = 21,802.50 : x
2. Step 2: Convert to fraction form
   15,282/21,802.50 = 21,802.50/x
3. Step 3: Cross multiply
   15,282x = 21,802.50 × 21,802.50
4. Step 4: Simplify right side
   15,282x = 475,349,006.25
5. Step 5: Solve for x
   x = 475,349,006.25/15,282
6. Step 6: Final answer
   x = 31,105.16