Finding the Third Proportional to 434,002.50 and 671,942.25

Step by Step Solution

1. Step 1: Write the proportion equation
   434,002.50 : 671,942.25 = 671,942.25 : x
2. Step 2: Convert to fraction form
   434,002.50/671,942.25 = 671,942.25/x
3. Step 3: Cross multiply
   434,002.50x = 671,942.25 × 671,942.25
4. Step 4: Simplify right side
   434,002.50x = 451,506,387,335.06
5. Step 5: Solve for x
   x = 451,506,387,335.06/434,002.50
6. Step 6: Final answer
   x = 1,040,331.31