Finding the Third Proportional to 19,270 and 42,068

Step by Step Solution

1. Step 1: Write the proportion equation
   19,270 : 42,068 = 42,068 : x
2. Step 2: Convert to fraction form
   19,270/42,068 = 42,068/x
3. Step 3: Cross multiply
   19,270x = 42,068 × 42,068
4. Step 4: Simplify right side
   19,270x = 1,769,716,624
5. Step 5: Solve for x
   x = 1,769,716,624/19,270
6. Step 6: Final answer
   x = 91,837.92