Finding the Third Proportional to 72,485 and 112,007.25

Step by Step Solution

1. Step 1: Write the proportion equation
   72,485 : 112,007.25 = 112,007.25 : x
2. Step 2: Convert to fraction form
   72,485/112,007.25 = 112,007.25/x
3. Step 3: Cross multiply
   72,485x = 112,007.25 × 112,007.25
4. Step 4: Simplify right side
   72,485x = 12,545,624,052.56
5. Step 5: Solve for x
   x = 12,545,624,052.56/72,485
6. Step 6: Final answer
   x = 173,078.90