Finding the Third Proportional to 10,308 and 15,557.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,308 : 15,557.50 = 15,557.50 : x
2. Step 2: Convert to fraction form
   10,308/15,557.50 = 15,557.50/x
3. Step 3: Cross multiply
   10,308x = 15,557.50 × 15,557.50
4. Step 4: Simplify right side
   10,308x = 242,035,806.25
5. Step 5: Solve for x
   x = 242,035,806.25/10,308
6. Step 6: Final answer
   x = 23,480.38