Finding the Third Proportional to 70,272 and 151,290

Step by Step Solution

1. Step 1: Write the proportion equation
   70,272 : 151,290 = 151,290 : x
2. Step 2: Convert to fraction form
   70,272/151,290 = 151,290/x
3. Step 3: Cross multiply
   70,272x = 151,290 × 151,290
4. Step 4: Simplify right side
   70,272x = 22,888,664,100
5. Step 5: Solve for x
   x = 22,888,664,100/70,272
6. Step 6: Final answer
   x = 325,715.28