Finding the Third Proportional to 109,590 and 236,109

Step by Step Solution

1. Step 1: Write the proportion equation
   109,590 : 236,109 = 236,109 : x
2. Step 2: Convert to fraction form
   109,590/236,109 = 236,109/x
3. Step 3: Cross multiply
   109,590x = 236,109 × 236,109
4. Step 4: Simplify right side
   109,590x = 55,747,459,881
5. Step 5: Solve for x
   x = 55,747,459,881/109,590
6. Step 6: Final answer
   x = 508,691.12