Finding the Third Proportional to 70,272 and 152,300

Step by Step Solution

1. Step 1: Write the proportion equation
   70,272 : 152,300 = 152,300 : x
2. Step 2: Convert to fraction form
   70,272/152,300 = 152,300/x
3. Step 3: Cross multiply
   70,272x = 152,300 × 152,300
4. Step 4: Simplify right side
   70,272x = 23,195,290,000
5. Step 5: Solve for x
   x = 23,195,290,000/70,272
6. Step 6: Final answer
   x = 330,078.69