Finding the Third Proportional to 144,314 and 210,884

Step by Step Solution

1. Step 1: Write the proportion equation
   144,314 : 210,884 = 210,884 : x
2. Step 2: Convert to fraction form
   144,314/210,884 = 210,884/x
3. Step 3: Cross multiply
   144,314x = 210,884 × 210,884
4. Step 4: Simplify right side
   144,314x = 44,472,061,456
5. Step 5: Solve for x
   x = 44,472,061,456/144,314
6. Step 6: Final answer
   x = 308,161.80