Finding the Third Proportional to 70,238 and 148,736

Step by Step Solution

1. Step 1: Write the proportion equation
   70,238 : 148,736 = 148,736 : x
2. Step 2: Convert to fraction form
   70,238/148,736 = 148,736/x
3. Step 3: Cross multiply
   70,238x = 148,736 × 148,736
4. Step 4: Simplify right side
   70,238x = 22,122,397,696
5. Step 5: Solve for x
   x = 22,122,397,696/70,238
6. Step 6: Final answer
   x = 314,963.38