Finding the Third Proportional to 74,938 and 158,240

Step by Step Solution

1. Step 1: Write the proportion equation
   74,938 : 158,240 = 158,240 : x
2. Step 2: Convert to fraction form
   74,938/158,240 = 158,240/x
3. Step 3: Cross multiply
   74,938x = 158,240 × 158,240
4. Step 4: Simplify right side
   74,938x = 25,039,897,600
5. Step 5: Solve for x
   x = 25,039,897,600/74,938
6. Step 6: Final answer
   x = 334,141.52