Finding the Third Proportional to 142,492 and 304,760

Step by Step Solution

1. Step 1: Write the proportion equation
   142,492 : 304,760 = 304,760 : x
2. Step 2: Convert to fraction form
   142,492/304,760 = 304,760/x
3. Step 3: Cross multiply
   142,492x = 304,760 × 304,760
4. Step 4: Simplify right side
   142,492x = 92,878,657,600
5. Step 5: Solve for x
   x = 92,878,657,600/142,492
6. Step 6: Final answer
   x = 651,816.65