Finding the Third Proportional to 70,124 and 154,272

Step by Step Solution

1. Step 1: Write the proportion equation
   70,124 : 154,272 = 154,272 : x
2. Step 2: Convert to fraction form
   70,124/154,272 = 154,272/x
3. Step 3: Cross multiply
   70,124x = 154,272 × 154,272
4. Step 4: Simplify right side
   70,124x = 23,799,849,984
5. Step 5: Solve for x
   x = 23,799,849,984/70,124
6. Step 6: Final answer
   x = 339,396.64