Finding the Third Proportional to 74,272 and 154,662

Step by Step Solution

1. Step 1: Write the proportion equation
   74,272 : 154,662 = 154,662 : x
2. Step 2: Convert to fraction form
   74,272/154,662 = 154,662/x
3. Step 3: Cross multiply
   74,272x = 154,662 × 154,662
4. Step 4: Simplify right side
   74,272x = 23,920,334,244
5. Step 5: Solve for x
   x = 23,920,334,244/74,272
6. Step 6: Final answer
   x = 322,063.96