Finding the Third Proportional to 70,472 and 152,272

Step by Step Solution

1. Step 1: Write the proportion equation
   70,472 : 152,272 = 152,272 : x
2. Step 2: Convert to fraction form
   70,472/152,272 = 152,272/x
3. Step 3: Cross multiply
   70,472x = 152,272 × 152,272
4. Step 4: Simplify right side
   70,472x = 23,186,761,984
5. Step 5: Solve for x
   x = 23,186,761,984/70,472
6. Step 6: Final answer
   x = 329,020.92