Finding the Third Proportional to 10,870.50 and 15,892.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,870.50 : 15,892.50 = 15,892.50 : x
2. Step 2: Convert to fraction form
   10,870.50/15,892.50 = 15,892.50/x
3. Step 3: Cross multiply
   10,870.50x = 15,892.50 × 15,892.50
4. Step 4: Simplify right side
   10,870.50x = 252,571,556.25
5. Step 5: Solve for x
   x = 252,571,556.25/10,870.50
6. Step 6: Final answer
   x = 23,234.59