Finding the Third Proportional to 141,492 and 308,256

Step by Step Solution

1. Step 1: Write the proportion equation
   141,492 : 308,256 = 308,256 : x
2. Step 2: Convert to fraction form
   141,492/308,256 = 308,256/x
3. Step 3: Cross multiply
   141,492x = 308,256 × 308,256
4. Step 4: Simplify right side
   141,492x = 95,021,761,536
5. Step 5: Solve for x
   x = 95,021,761,536/141,492
6. Step 6: Final answer
   x = 671,569.85