Finding the Third Proportional to 19,181 and 40,090

Step by Step Solution

1. Step 1: Write the proportion equation
   19,181 : 40,090 = 40,090 : x
2. Step 2: Convert to fraction form
   19,181/40,090 = 40,090/x
3. Step 3: Cross multiply
   19,181x = 40,090 × 40,090
4. Step 4: Simplify right side
   19,181x = 1,607,208,100
5. Step 5: Solve for x
   x = 1,607,208,100/19,181
6. Step 6: Final answer
   x = 83,791.67