Finding the Third Proportional to 19,510 and 42,092

Step by Step Solution

1. Step 1: Write the proportion equation
   19,510 : 42,092 = 42,092 : x
2. Step 2: Convert to fraction form
   19,510/42,092 = 42,092/x
3. Step 3: Cross multiply
   19,510x = 42,092 × 42,092
4. Step 4: Simplify right side
   19,510x = 1,771,736,464
5. Step 5: Solve for x
   x = 1,771,736,464/19,510
6. Step 6: Final answer
   x = 90,811.71