Finding the Third Proportional to 42,317 and 91,929

Step by Step Solution

1. Step 1: Write the proportion equation
   42,317 : 91,929 = 91,929 : x
2. Step 2: Convert to fraction form
   42,317/91,929 = 91,929/x
3. Step 3: Cross multiply
   42,317x = 91,929 × 91,929
4. Step 4: Simplify right side
   42,317x = 8,450,941,041
5. Step 5: Solve for x
   x = 8,450,941,041/42,317
6. Step 6: Final answer
   x = 199,705.58