Finding the Third Proportional to 45,015.75 and 86,366.25

Step by Step Solution

1. Step 1: Write the proportion equation
   45,015.75 : 86,366.25 = 86,366.25 : x
2. Step 2: Convert to fraction form
   45,015.75/86,366.25 = 86,366.25/x
3. Step 3: Cross multiply
   45,015.75x = 86,366.25 × 86,366.25
4. Step 4: Simplify right side
   45,015.75x = 7,459,129,139.06
5. Step 5: Solve for x
   x = 7,459,129,139.06/45,015.75
6. Step 6: Final answer
   x = 165,700.43