Finding the Third Proportional to 12,139 and 19,063

Step by Step Solution

1. Step 1: Write the proportion equation
   12,139 : 19,063 = 19,063 : x
2. Step 2: Convert to fraction form
   12,139/19,063 = 19,063/x
3. Step 3: Cross multiply
   12,139x = 19,063 × 19,063
4. Step 4: Simplify right side
   12,139x = 363,397,969
5. Step 5: Solve for x
   x = 363,397,969/12,139
6. Step 6: Final answer
   x = 29,936.40