Finding the Third Proportional to 18,810 and 42,076

Step by Step Solution

1. Step 1: Write the proportion equation
   18,810 : 42,076 = 42,076 : x
2. Step 2: Convert to fraction form
   18,810/42,076 = 42,076/x
3. Step 3: Cross multiply
   18,810x = 42,076 × 42,076
4. Step 4: Simplify right side
   18,810x = 1,770,389,776
5. Step 5: Solve for x
   x = 1,770,389,776/18,810
6. Step 6: Final answer
   x = 94,119.61