Finding the Third Proportional to 30,699 and 63,582

Step by Step Solution

1. Step 1: Write the proportion equation
   30,699 : 63,582 = 63,582 : x
2. Step 2: Convert to fraction form
   30,699/63,582 = 63,582/x
3. Step 3: Cross multiply
   30,699x = 63,582 × 63,582
4. Step 4: Simplify right side
   30,699x = 4,042,670,724
5. Step 5: Solve for x
   x = 4,042,670,724/30,699
6. Step 6: Final answer
   x = 131,687.37