Finding the Third Proportional to 15,280.31 and 23,021.72

Step by Step Solution

1. Step 1: Write the proportion equation
   15,280.31 : 23,021.72 = 23,021.72 : x
2. Step 2: Convert to fraction form
   15,280.31/23,021.72 = 23,021.72/x
3. Step 3: Cross multiply
   15,280.31x = 23,021.72 × 23,021.72
4. Step 4: Simplify right side
   15,280.31x = 529,999,534.20
5. Step 5: Solve for x
   x = 529,999,534.20/15,280.31
6. Step 6: Final answer
   x = 34,685.12