Finding the Third Proportional to 32,990 and 72,232

Step by Step Solution

1. Step 1: Write the proportion equation
   32,990 : 72,232 = 72,232 : x
2. Step 2: Convert to fraction form
   32,990/72,232 = 72,232/x
3. Step 3: Cross multiply
   32,990x = 72,232 × 72,232
4. Step 4: Simplify right side
   32,990x = 5,217,461,824
5. Step 5: Solve for x
   x = 5,217,461,824/32,990
6. Step 6: Final answer
   x = 158,152.83