Finding the Third Proportional to 143,322 and 334,680

Step by Step Solution

1. Step 1: Write the proportion equation
   143,322 : 334,680 = 334,680 : x
2. Step 2: Convert to fraction form
   143,322/334,680 = 334,680/x
3. Step 3: Cross multiply
   143,322x = 334,680 × 334,680
4. Step 4: Simplify right side
   143,322x = 112,010,702,400
5. Step 5: Solve for x
   x = 112,010,702,400/143,322
6. Step 6: Final answer
   x = 781,531.81