Finding the Third Proportional to 79,307 and 108,748.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,307 : 108,748.50 = 108,748.50 : x
2. Step 2: Convert to fraction form
   79,307/108,748.50 = 108,748.50/x
3. Step 3: Cross multiply
   79,307x = 108,748.50 × 108,748.50
4. Step 4: Simplify right side
   79,307x = 11,826,236,252.25
5. Step 5: Solve for x
   x = 11,826,236,252.25/79,307
6. Step 6: Final answer
   x = 149,119.70