Finding the Third Proportional to 143,328 and 334,692

Step by Step Solution

1. Step 1: Write the proportion equation
   143,328 : 334,692 = 334,692 : x
2. Step 2: Convert to fraction form
   143,328/334,692 = 334,692/x
3. Step 3: Cross multiply
   143,328x = 334,692 × 334,692
4. Step 4: Simplify right side
   143,328x = 112,018,734,864
5. Step 5: Solve for x
   x = 112,018,734,864/143,328
6. Step 6: Final answer
   x = 781,555.14