Finding the Third Proportional to 28,019 and 42,134

Step by Step Solution

1. Step 1: Write the proportion equation
   28,019 : 42,134 = 42,134 : x
2. Step 2: Convert to fraction form
   28,019/42,134 = 42,134/x
3. Step 3: Cross multiply
   28,019x = 42,134 × 42,134
4. Step 4: Simplify right side
   28,019x = 1,775,273,956
5. Step 5: Solve for x
   x = 1,775,273,956/28,019
6. Step 6: Final answer
   x = 63,359.65