Finding the Third Proportional to 79,741.50 and 128,481.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,741.50 : 128,481.50 = 128,481.50 : x
2. Step 2: Convert to fraction form
   79,741.50/128,481.50 = 128,481.50/x
3. Step 3: Cross multiply
   79,741.50x = 128,481.50 × 128,481.50
4. Step 4: Simplify right side
   79,741.50x = 16,507,495,842.25
5. Step 5: Solve for x
   x = 16,507,495,842.25/79,741.50
6. Step 6: Final answer
   x = 207,012.61