Finding the Third Proportional to 11,358 and 14,971.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,358 : 14,971.50 = 14,971.50 : x
2. Step 2: Convert to fraction form
   11,358/14,971.50 = 14,971.50/x
3. Step 3: Cross multiply
   11,358x = 14,971.50 × 14,971.50
4. Step 4: Simplify right side
   11,358x = 224,145,812.25
5. Step 5: Solve for x
   x = 224,145,812.25/11,358
6. Step 6: Final answer
   x = 19,734.62