Finding the Third Proportional to 32,918 and 72,086

Step by Step Solution

1. Step 1: Write the proportion equation
   32,918 : 72,086 = 72,086 : x
2. Step 2: Convert to fraction form
   32,918/72,086 = 72,086/x
3. Step 3: Cross multiply
   32,918x = 72,086 × 72,086
4. Step 4: Simplify right side
   32,918x = 5,196,391,396
5. Step 5: Solve for x
   x = 5,196,391,396/32,918
6. Step 6: Final answer
   x = 157,858.66