Finding the Third Proportional to 31,322 and 48,556

Step by Step Solution

1. Step 1: Write the proportion equation
   31,322 : 48,556 = 48,556 : x
2. Step 2: Convert to fraction form
   31,322/48,556 = 48,556/x
3. Step 3: Cross multiply
   31,322x = 48,556 × 48,556
4. Step 4: Simplify right side
   31,322x = 2,357,685,136
5. Step 5: Solve for x
   x = 2,357,685,136/31,322
6. Step 6: Final answer
   x = 75,272.50