Finding the Third Proportional to 11,428.50 and 25,318.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,428.50 : 25,318.50 = 25,318.50 : x
2. Step 2: Convert to fraction form
   11,428.50/25,318.50 = 25,318.50/x
3. Step 3: Cross multiply
   11,428.50x = 25,318.50 × 25,318.50
4. Step 4: Simplify right side
   11,428.50x = 641,026,442.25
5. Step 5: Solve for x
   x = 641,026,442.25/11,428.50
6. Step 6: Final answer
   x = 56,090.16