Finding the Third Proportional to 13,458 and 19,795.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,458 : 19,795.50 = 19,795.50 : x
2. Step 2: Convert to fraction form
   13,458/19,795.50 = 19,795.50/x
3. Step 3: Cross multiply
   13,458x = 19,795.50 × 19,795.50
4. Step 4: Simplify right side
   13,458x = 391,861,820.25
5. Step 5: Solve for x
   x = 391,861,820.25/13,458
6. Step 6: Final answer
   x = 29,117.39