Finding the Third Proportional to 72,348.75 and 111,271.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,348.75 : 111,271.50 = 111,271.50 : x
2. Step 2: Convert to fraction form
   72,348.75/111,271.50 = 111,271.50/x
3. Step 3: Cross multiply
   72,348.75x = 111,271.50 × 111,271.50
4. Step 4: Simplify right side
   72,348.75x = 12,381,346,712.25
5. Step 5: Solve for x
   x = 12,381,346,712.25/72,348.75
6. Step 6: Final answer
   x = 171,134.22