Finding the Third Proportional to 33,328 and 70,403

Step by Step Solution

1. Step 1: Write the proportion equation
   33,328 : 70,403 = 70,403 : x
2. Step 2: Convert to fraction form
   33,328/70,403 = 70,403/x
3. Step 3: Cross multiply
   33,328x = 70,403 × 70,403
4. Step 4: Simplify right side
   33,328x = 4,956,582,409
5. Step 5: Solve for x
   x = 4,956,582,409/33,328
6. Step 6: Final answer
   x = 148,721.27