Finding the Third Proportional to 72,572.25 and 109,952.25

Step by Step Solution

1. Step 1: Write the proportion equation
   72,572.25 : 109,952.25 = 109,952.25 : x
2. Step 2: Convert to fraction form
   72,572.25/109,952.25 = 109,952.25/x
3. Step 3: Cross multiply
   72,572.25x = 109,952.25 × 109,952.25
4. Step 4: Simplify right side
   72,572.25x = 12,089,497,280.06
5. Step 5: Solve for x
   x = 12,089,497,280.06/72,572.25
6. Step 6: Final answer
   x = 166,585.68