Finding the Third Proportional to 42,004 and 80,929

Step by Step Solution

1. Step 1: Write the proportion equation
   42,004 : 80,929 = 80,929 : x
2. Step 2: Convert to fraction form
   42,004/80,929 = 80,929/x
3. Step 3: Cross multiply
   42,004x = 80,929 × 80,929
4. Step 4: Simplify right side
   42,004x = 6,549,503,041
5. Step 5: Solve for x
   x = 6,549,503,041/42,004
6. Step 6: Final answer
   x = 155,925.70