Finding the Third Proportional to 55,453.50 and 85,322.25

Step by Step Solution

1. Step 1: Write the proportion equation
   55,453.50 : 85,322.25 = 85,322.25 : x
2. Step 2: Convert to fraction form
   55,453.50/85,322.25 = 85,322.25/x
3. Step 3: Cross multiply
   55,453.50x = 85,322.25 × 85,322.25
4. Step 4: Simplify right side
   55,453.50x = 7,279,886,345.06
5. Step 5: Solve for x
   x = 7,279,886,345.06/55,453.50
6. Step 6: Final answer
   x = 131,279.11