Finding the Third Proportional to 236,448 and 512,221.50

Step by Step Solution

1. Step 1: Write the proportion equation
   236,448 : 512,221.50 = 512,221.50 : x
2. Step 2: Convert to fraction form
   236,448/512,221.50 = 512,221.50/x
3. Step 3: Cross multiply
   236,448x = 512,221.50 × 512,221.50
4. Step 4: Simplify right side
   236,448x = 262,370,865,062.25
5. Step 5: Solve for x
   x = 262,370,865,062.25/236,448
6. Step 6: Final answer
   x = 1,109,634.53