Finding the Third Proportional to 434,751 and 668,326.50

Step by Step Solution

1. Step 1: Write the proportion equation
   434,751 : 668,326.50 = 668,326.50 : x
2. Step 2: Convert to fraction form
   434,751/668,326.50 = 668,326.50/x
3. Step 3: Cross multiply
   434,751x = 668,326.50 × 668,326.50
4. Step 4: Simplify right side
   434,751x = 446,660,310,602.25
5. Step 5: Solve for x
   x = 446,660,310,602.25/434,751
6. Step 6: Final answer
   x = 1,027,393.41