Finding the Third Proportional to 159,104 and 343,111

Step by Step Solution

1. Step 1: Write the proportion equation
   159,104 : 343,111 = 343,111 : x
2. Step 2: Convert to fraction form
   159,104/343,111 = 343,111/x
3. Step 3: Cross multiply
   159,104x = 343,111 × 343,111
4. Step 4: Simplify right side
   159,104x = 117,725,158,321
5. Step 5: Solve for x
   x = 117,725,158,321/159,104
6. Step 6: Final answer
   x = 739,925.82