Finding the Third Proportional to 143,360 and 334,818

Step by Step Solution

1. Step 1: Write the proportion equation
   143,360 : 334,818 = 334,818 : x
2. Step 2: Convert to fraction form
   143,360/334,818 = 334,818/x
3. Step 3: Cross multiply
   143,360x = 334,818 × 334,818
4. Step 4: Simplify right side
   143,360x = 112,103,093,124
5. Step 5: Solve for x
   x = 112,103,093,124/143,360
6. Step 6: Final answer
   x = 781,969.12