Finding the Third Proportional to 72,599.25 and 109,993.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,599.25 : 109,993.50 = 109,993.50 : x
2. Step 2: Convert to fraction form
   72,599.25/109,993.50 = 109,993.50/x
3. Step 3: Cross multiply
   72,599.25x = 109,993.50 × 109,993.50
4. Step 4: Simplify right side
   72,599.25x = 12,098,570,042.25
5. Step 5: Solve for x
   x = 12,098,570,042.25/72,599.25
6. Step 6: Final answer
   x = 166,648.69