Finding the Third Proportional to 11,358 and 13,000.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,358 : 13,000.50 = 13,000.50 : x
2. Step 2: Convert to fraction form
   11,358/13,000.50 = 13,000.50/x
3. Step 3: Cross multiply
   11,358x = 13,000.50 × 13,000.50
4. Step 4: Simplify right side
   11,358x = 169,013,000.25
5. Step 5: Solve for x
   x = 169,013,000.25/11,358
6. Step 6: Final answer
   x = 14,880.52