Finding the Third Proportional to 55,514.50 and 84,653.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,514.50 : 84,653.50 = 84,653.50 : x
2. Step 2: Convert to fraction form
   55,514.50/84,653.50 = 84,653.50/x
3. Step 3: Cross multiply
   55,514.50x = 84,653.50 × 84,653.50
4. Step 4: Simplify right side
   55,514.50x = 7,166,215,062.25
5. Step 5: Solve for x
   x = 7,166,215,062.25/55,514.50
6. Step 6: Final answer
   x = 129,087.27