Finding the Third Proportional to 12,293 and 19,139

Step by Step Solution

1. Step 1: Write the proportion equation
   12,293 : 19,139 = 19,139 : x
2. Step 2: Convert to fraction form
   12,293/19,139 = 19,139/x
3. Step 3: Cross multiply
   12,293x = 19,139 × 19,139
4. Step 4: Simplify right side
   12,293x = 366,301,321
5. Step 5: Solve for x
   x = 366,301,321/12,293
6. Step 6: Final answer
   x = 29,797.55