Finding the Third Proportional to 15,406.50 and 22,015.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,406.50 : 22,015.50 = 22,015.50 : x
2. Step 2: Convert to fraction form
   15,406.50/22,015.50 = 22,015.50/x
3. Step 3: Cross multiply
   15,406.50x = 22,015.50 × 22,015.50
4. Step 4: Simplify right side
   15,406.50x = 484,682,240.25
5. Step 5: Solve for x
   x = 484,682,240.25/15,406.50
6. Step 6: Final answer
   x = 31,459.59