Finding the Third Proportional to 42,008 and 80,937

Step by Step Solution

1. Step 1: Write the proportion equation
   42,008 : 80,937 = 80,937 : x
2. Step 2: Convert to fraction form
   42,008/80,937 = 80,937/x
3. Step 3: Cross multiply
   42,008x = 80,937 × 80,937
4. Step 4: Simplify right side
   42,008x = 6,550,797,969
5. Step 5: Solve for x
   x = 6,550,797,969/42,008
6. Step 6: Final answer
   x = 155,941.68