Finding the Third Proportional to 72,623.25 and 112,191.75

Step by Step Solution

1. Step 1: Write the proportion equation
   72,623.25 : 112,191.75 = 112,191.75 : x
2. Step 2: Convert to fraction form
   72,623.25/112,191.75 = 112,191.75/x
3. Step 3: Cross multiply
   72,623.25x = 112,191.75 × 112,191.75
4. Step 4: Simplify right side
   72,623.25x = 12,586,988,768.06
5. Step 5: Solve for x
   x = 12,586,988,768.06/72,623.25
6. Step 6: Final answer
   x = 173,319.00