Finding the Third Proportional to 72,314 and 111,224.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,314 : 111,224.50 = 111,224.50 : x
2. Step 2: Convert to fraction form
   72,314/111,224.50 = 111,224.50/x
3. Step 3: Cross multiply
   72,314x = 111,224.50 × 111,224.50
4. Step 4: Simplify right side
   72,314x = 12,370,889,400.25
5. Step 5: Solve for x
   x = 12,370,889,400.25/72,314
6. Step 6: Final answer
   x = 171,071.85