Finding the Third Proportional to 10,072.16 and 21,528.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,072.16 : 21,528.28 = 21,528.28 : x
2. Step 2: Convert to fraction form
   10,072.16/21,528.28 = 21,528.28/x
3. Step 3: Cross multiply
   10,072.16x = 21,528.28 × 21,528.28
4. Step 4: Simplify right side
   10,072.16x = 463,466,893.58
5. Step 5: Solve for x
   x = 463,466,893.58/10,072.16
6. Step 6: Final answer
   x = 46,014.65