Finding the Third Proportional to 34,399.69 and 71,011.69

Step by Step Solution

1. Step 1: Write the proportion equation
   34,399.69 : 71,011.69 = 71,011.69 : x
2. Step 2: Convert to fraction form
   34,399.69/71,011.69 = 71,011.69/x
3. Step 3: Cross multiply
   34,399.69x = 71,011.69 × 71,011.69
4. Step 4: Simplify right side
   34,399.69x = 5,042,659,761.60
5. Step 5: Solve for x
   x = 5,042,659,761.60/34,399.69
6. Step 6: Final answer
   x = 146,590.28