Finding the Third Proportional to 74,280 and 158,916

Step by Step Solution

1. Step 1: Write the proportion equation
   74,280 : 158,916 = 158,916 : x
2. Step 2: Convert to fraction form
   74,280/158,916 = 158,916/x
3. Step 3: Cross multiply
   74,280x = 158,916 × 158,916
4. Step 4: Simplify right side
   74,280x = 25,254,295,056
5. Step 5: Solve for x
   x = 25,254,295,056/74,280
6. Step 6: Final answer
   x = 339,987.82