Finding the Third Proportional to 434,223 and 660,010.50

Step by Step Solution

1. Step 1: Write the proportion equation
   434,223 : 660,010.50 = 660,010.50 : x
2. Step 2: Convert to fraction form
   434,223/660,010.50 = 660,010.50/x
3. Step 3: Cross multiply
   434,223x = 660,010.50 × 660,010.50
4. Step 4: Simplify right side
   434,223x = 435,613,860,110.25
5. Step 5: Solve for x
   x = 435,613,860,110.25/434,223
6. Step 6: Final answer
   x = 1,003,203.10