Finding the Third Proportional to 42,270 and 62,180

Step by Step Solution

1. Step 1: Write the proportion equation
   42,270 : 62,180 = 62,180 : x
2. Step 2: Convert to fraction form
   42,270/62,180 = 62,180/x
3. Step 3: Cross multiply
   42,270x = 62,180 × 62,180
4. Step 4: Simplify right side
   42,270x = 3,866,352,400
5. Step 5: Solve for x
   x = 3,866,352,400/42,270
6. Step 6: Final answer
   x = 91,468.00