Finding the Third Proportional to 38,891.25 and 84,821.63

Step by Step Solution

1. Step 1: Write the proportion equation
   38,891.25 : 84,821.63 = 84,821.63 : x
2. Step 2: Convert to fraction form
   38,891.25/84,821.63 = 84,821.63/x
3. Step 3: Cross multiply
   38,891.25x = 84,821.63 × 84,821.63
4. Step 4: Simplify right side
   38,891.25x = 7,194,708,067.64
5. Step 5: Solve for x
   x = 7,194,708,067.64/38,891.25
6. Step 6: Final answer
   x = 184,995.55