Finding the Third Proportional to 70,580 and 152,680

Step by Step Solution

1. Step 1: Write the proportion equation
   70,580 : 152,680 = 152,680 : x
2. Step 2: Convert to fraction form
   70,580/152,680 = 152,680/x
3. Step 3: Cross multiply
   70,580x = 152,680 × 152,680
4. Step 4: Simplify right side
   70,580x = 23,311,182,400
5. Step 5: Solve for x
   x = 23,311,182,400/70,580
6. Step 6: Final answer
   x = 330,280.28