Finding the Third Proportional to 31,159 and 67,576

Step by Step Solution

1. Step 1: Write the proportion equation
   31,159 : 67,576 = 67,576 : x
2. Step 2: Convert to fraction form
   31,159/67,576 = 67,576/x
3. Step 3: Cross multiply
   31,159x = 67,576 × 67,576
4. Step 4: Simplify right side
   31,159x = 4,566,515,776
5. Step 5: Solve for x
   x = 4,566,515,776/31,159
6. Step 6: Final answer
   x = 146,555.27