Finding the Third Proportional to 59,226.19 and 80,407.69

Step by Step Solution

1. Step 1: Write the proportion equation
   59,226.19 : 80,407.69 = 80,407.69 : x
2. Step 2: Convert to fraction form
   59,226.19/80,407.69 = 80,407.69/x
3. Step 3: Cross multiply
   59,226.19x = 80,407.69 × 80,407.69
4. Step 4: Simplify right side
   59,226.19x = 6,465,396,209.10
5. Step 5: Solve for x
   x = 6,465,396,209.10/59,226.19
6. Step 6: Final answer
   x = 109,164.48