Finding the Third Proportional to 71,918 and 158,146

Step by Step Solution

1. Step 1: Write the proportion equation
   71,918 : 158,146 = 158,146 : x
2. Step 2: Convert to fraction form
   71,918/158,146 = 158,146/x
3. Step 3: Cross multiply
   71,918x = 158,146 × 158,146
4. Step 4: Simplify right side
   71,918x = 25,010,157,316
5. Step 5: Solve for x
   x = 25,010,157,316/71,918
6. Step 6: Final answer
   x = 347,759.36