Finding the Third Proportional to 70,128 and 102,732

Step by Step Solution

1. Step 1: Write the proportion equation
   70,128 : 102,732 = 102,732 : x
2. Step 2: Convert to fraction form
   70,128/102,732 = 102,732/x
3. Step 3: Cross multiply
   70,128x = 102,732 × 102,732
4. Step 4: Simplify right side
   70,128x = 10,553,863,824
5. Step 5: Solve for x
   x = 10,553,863,824/70,128
6. Step 6: Final answer
   x = 150,494.29