Finding the Third Proportional to 109,500 and 236,090

Step by Step Solution

1. Step 1: Write the proportion equation
   109,500 : 236,090 = 236,090 : x
2. Step 2: Convert to fraction form
   109,500/236,090 = 236,090/x
3. Step 3: Cross multiply
   109,500x = 236,090 × 236,090
4. Step 4: Simplify right side
   109,500x = 55,738,488,100
5. Step 5: Solve for x
   x = 55,738,488,100/109,500
6. Step 6: Final answer
   x = 509,027.29