Finding the Third Proportional to 79,320 and 105,748.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,320 : 105,748.50 = 105,748.50 : x
2. Step 2: Convert to fraction form
   79,320/105,748.50 = 105,748.50/x
3. Step 3: Cross multiply
   79,320x = 105,748.50 × 105,748.50
4. Step 4: Simplify right side
   79,320x = 11,182,745,252.25
5. Step 5: Solve for x
   x = 11,182,745,252.25/79,320
6. Step 6: Final answer
   x = 140,982.67