Finding the Third Proportional to 100,036.50 and 236,145.50

Step by Step Solution

1. Step 1: Write the proportion equation
   100,036.50 : 236,145.50 = 236,145.50 : x
2. Step 2: Convert to fraction form
   100,036.50/236,145.50 = 236,145.50/x
3. Step 3: Cross multiply
   100,036.50x = 236,145.50 × 236,145.50
4. Step 4: Simplify right side
   100,036.50x = 55,764,697,170.25
5. Step 5: Solve for x
   x = 55,764,697,170.25/100,036.50
6. Step 6: Final answer
   x = 557,443.50