Finding the Third Proportional to 143,963 and 336,314

Step by Step Solution

1. Step 1: Write the proportion equation
   143,963 : 336,314 = 336,314 : x
2. Step 2: Convert to fraction form
   143,963/336,314 = 336,314/x
3. Step 3: Cross multiply
   143,963x = 336,314 × 336,314
4. Step 4: Simplify right side
   143,963x = 113,107,106,596
5. Step 5: Solve for x
   x = 113,107,106,596/143,963
6. Step 6: Final answer
   x = 785,667.89