Finding the Third Proportional to 74,136 and 158,998.31

Step by Step Solution

1. Step 1: Write the proportion equation
   74,136 : 158,998.31 = 158,998.31 : x
2. Step 2: Convert to fraction form
   74,136/158,998.31 = 158,998.31/x
3. Step 3: Cross multiply
   74,136x = 158,998.31 × 158,998.31
4. Step 4: Simplify right side
   74,136x = 25,280,463,377.85
5. Step 5: Solve for x
   x = 25,280,463,377.85/74,136
6. Step 6: Final answer
   x = 341,001.18