Finding the Third Proportional to 12,942 and 19,393.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,942 : 19,393.50 = 19,393.50 : x
2. Step 2: Convert to fraction form
   12,942/19,393.50 = 19,393.50/x
3. Step 3: Cross multiply
   12,942x = 19,393.50 × 19,393.50
4. Step 4: Simplify right side
   12,942x = 376,107,842.25
5. Step 5: Solve for x
   x = 376,107,842.25/12,942
6. Step 6: Final answer
   x = 29,061.03