Finding the Third Proportional to 144,076.88 and 316,179

Step by Step Solution

1. Step 1: Write the proportion equation
   144,076.88 : 316,179 = 316,179 : x
2. Step 2: Convert to fraction form
   144,076.88/316,179 = 316,179/x
3. Step 3: Cross multiply
   144,076.88x = 316,179 × 316,179
4. Step 4: Simplify right side
   144,076.88x = 99,969,160,041
5. Step 5: Solve for x
   x = 99,969,160,041/144,076.88
6. Step 6: Final answer
   x = 693,859.86