Finding the Third Proportional to 30,820.50 and 73,224

Step by Step Solution

1. Step 1: Write the proportion equation
   30,820.50 : 73,224 = 73,224 : x
2. Step 2: Convert to fraction form
   30,820.50/73,224 = 73,224/x
3. Step 3: Cross multiply
   30,820.50x = 73,224 × 73,224
4. Step 4: Simplify right side
   30,820.50x = 5,361,754,176
5. Step 5: Solve for x
   x = 5,361,754,176/30,820.50
6. Step 6: Final answer
   x = 173,967.14