Finding the Third Proportional to 11,333.16 and 15,931.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,333.16 : 15,931.50 = 15,931.50 : x
2. Step 2: Convert to fraction form
   11,333.16/15,931.50 = 15,931.50/x
3. Step 3: Cross multiply
   11,333.16x = 15,931.50 × 15,931.50
4. Step 4: Simplify right side
   11,333.16x = 253,812,692.25
5. Step 5: Solve for x
   x = 253,812,692.25/11,333.16
6. Step 6: Final answer
   x = 22,395.59