Finding the Third Proportional to 67,488 and 145,662

Step by Step Solution

1. Step 1: Write the proportion equation
   67,488 : 145,662 = 145,662 : x
2. Step 2: Convert to fraction form
   67,488/145,662 = 145,662/x
3. Step 3: Cross multiply
   67,488x = 145,662 × 145,662
4. Step 4: Simplify right side
   67,488x = 21,217,418,244
5. Step 5: Solve for x
   x = 21,217,418,244/67,488
6. Step 6: Final answer
   x = 314,388.01