Finding the Third Proportional to 72,312.75 and 111,953.25

Step by Step Solution

1. Step 1: Write the proportion equation
   72,312.75 : 111,953.25 = 111,953.25 : x
2. Step 2: Convert to fraction form
   72,312.75/111,953.25 = 111,953.25/x
3. Step 3: Cross multiply
   72,312.75x = 111,953.25 × 111,953.25
4. Step 4: Simplify right side
   72,312.75x = 12,533,530,185.56
5. Step 5: Solve for x
   x = 12,533,530,185.56/72,312.75
6. Step 6: Final answer
   x = 173,323.93