Finding the Third Proportional to 38,390 and 58,180

Step by Step Solution

1. Step 1: Write the proportion equation
   38,390 : 58,180 = 58,180 : x
2. Step 2: Convert to fraction form
   38,390/58,180 = 58,180/x
3. Step 3: Cross multiply
   38,390x = 58,180 × 58,180
4. Step 4: Simplify right side
   38,390x = 3,384,912,400
5. Step 5: Solve for x
   x = 3,384,912,400/38,390
6. Step 6: Final answer
   x = 88,171.72