Finding the Third Proportional to 32,912 and 72,224

Step by Step Solution

1. Step 1: Write the proportion equation
   32,912 : 72,224 = 72,224 : x
2. Step 2: Convert to fraction form
   32,912/72,224 = 72,224/x
3. Step 3: Cross multiply
   32,912x = 72,224 × 72,224
4. Step 4: Simplify right side
   32,912x = 5,216,306,176
5. Step 5: Solve for x
   x = 5,216,306,176/32,912
6. Step 6: Final answer
   x = 158,492.53