Finding the Third Proportional to 70,725 and 152,520

Step by Step Solution

1. Step 1: Write the proportion equation
   70,725 : 152,520 = 152,520 : x
2. Step 2: Convert to fraction form
   70,725/152,520 = 152,520/x
3. Step 3: Cross multiply
   70,725x = 152,520 × 152,520
4. Step 4: Simplify right side
   70,725x = 23,262,350,400
5. Step 5: Solve for x
   x = 23,262,350,400/70,725
6. Step 6: Final answer
   x = 328,912.70