Finding the Third Proportional to 39,502.69 and 80,619.05

Step by Step Solution

1. Step 1: Write the proportion equation
   39,502.69 : 80,619.05 = 80,619.05 : x
2. Step 2: Convert to fraction form
   39,502.69/80,619.05 = 80,619.05/x
3. Step 3: Cross multiply
   39,502.69x = 80,619.05 × 80,619.05
4. Step 4: Simplify right side
   39,502.69x = 6,499,430,719.03
5. Step 5: Solve for x
   x = 6,499,430,719.03/39,502.69
6. Step 6: Final answer
   x = 164,531.36