Finding the Third Proportional to 70,578 and 151,392

Step by Step Solution

1. Step 1: Write the proportion equation
   70,578 : 151,392 = 151,392 : x
2. Step 2: Convert to fraction form
   70,578/151,392 = 151,392/x
3. Step 3: Cross multiply
   70,578x = 151,392 × 151,392
4. Step 4: Simplify right side
   70,578x = 22,919,537,664
5. Step 5: Solve for x
   x = 22,919,537,664/70,578
6. Step 6: Final answer
   x = 324,740.54