Finding the Third Proportional to 100,018.50 and 236,100.75

Step by Step Solution

1. Step 1: Write the proportion equation
   100,018.50 : 236,100.75 = 236,100.75 : x
2. Step 2: Convert to fraction form
   100,018.50/236,100.75 = 236,100.75/x
3. Step 3: Cross multiply
   100,018.50x = 236,100.75 × 236,100.75
4. Step 4: Simplify right side
   100,018.50x = 55,743,564,150.56
5. Step 5: Solve for x
   x = 55,743,564,150.56/100,018.50
6. Step 6: Final answer
   x = 557,332.53