Finding the Third Proportional to 53,333.44 and 80,215.31

Step by Step Solution

1. Step 1: Write the proportion equation
   53,333.44 : 80,215.31 = 80,215.31 : x
2. Step 2: Convert to fraction form
   53,333.44/80,215.31 = 80,215.31/x
3. Step 3: Cross multiply
   53,333.44x = 80,215.31 × 80,215.31
4. Step 4: Simplify right side
   53,333.44x = 6,434,496,359.47
5. Step 5: Solve for x
   x = 6,434,496,359.47/53,333.44
6. Step 6: Final answer
   x = 120,646.57