Finding the Third Proportional to 31,576.92 and 67,530.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,576.92 : 67,530.38 = 67,530.38 : x
2. Step 2: Convert to fraction form
   31,576.92/67,530.38 = 67,530.38/x
3. Step 3: Cross multiply
   31,576.92x = 67,530.38 × 67,530.38
4. Step 4: Simplify right side
   31,576.92x = 4,560,351,547.64
5. Step 5: Solve for x
   x = 4,560,351,547.64/31,576.92
6. Step 6: Final answer
   x = 144,420.40