Finding the Third Proportional to 40,278 and 59,181

Step by Step Solution

1. Step 1: Write the proportion equation
   40,278 : 59,181 = 59,181 : x
2. Step 2: Convert to fraction form
   40,278/59,181 = 59,181/x
3. Step 3: Cross multiply
   40,278x = 59,181 × 59,181
4. Step 4: Simplify right side
   40,278x = 3,502,390,761
5. Step 5: Solve for x
   x = 3,502,390,761/40,278
6. Step 6: Final answer
   x = 86,955.43