Finding the Third Proportional to 67,716 and 148,556

Step by Step Solution

1. Step 1: Write the proportion equation
   67,716 : 148,556 = 148,556 : x
2. Step 2: Convert to fraction form
   67,716/148,556 = 148,556/x
3. Step 3: Cross multiply
   67,716x = 148,556 × 148,556
4. Step 4: Simplify right side
   67,716x = 22,068,885,136
5. Step 5: Solve for x
   x = 22,068,885,136/67,716
6. Step 6: Final answer
   x = 325,903.56