Finding the Third Proportional to 15,116.25 and 21,492.75

Step by Step Solution

1. Step 1: Write the proportion equation
   15,116.25 : 21,492.75 = 21,492.75 : x
2. Step 2: Convert to fraction form
   15,116.25/21,492.75 = 21,492.75/x
3. Step 3: Cross multiply
   15,116.25x = 21,492.75 × 21,492.75
4. Step 4: Simplify right side
   15,116.25x = 461,938,302.56
5. Step 5: Solve for x
   x = 461,938,302.56/15,116.25
6. Step 6: Final answer
   x = 30,559.05