Finding the Third Proportional to 109,342 and 236,818

Step by Step Solution

1. Step 1: Write the proportion equation
   109,342 : 236,818 = 236,818 : x
2. Step 2: Convert to fraction form
   109,342/236,818 = 236,818/x
3. Step 3: Cross multiply
   109,342x = 236,818 × 236,818
4. Step 4: Simplify right side
   109,342x = 56,082,765,124
5. Step 5: Solve for x
   x = 56,082,765,124/109,342
6. Step 6: Final answer
   x = 512,911.46