Finding the Third Proportional to 10,237.50 and 15,428.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,237.50 : 15,428.25 = 15,428.25 : x
2. Step 2: Convert to fraction form
   10,237.50/15,428.25 = 15,428.25/x
3. Step 3: Cross multiply
   10,237.50x = 15,428.25 × 15,428.25
4. Step 4: Simplify right side
   10,237.50x = 238,030,898.06
5. Step 5: Solve for x
   x = 238,030,898.06/10,237.50
6. Step 6: Final answer
   x = 23,250.88