Finding the Third Proportional to 207,969 and 425,771.50

Step by Step Solution

1. Step 1: Write the proportion equation
   207,969 : 425,771.50 = 425,771.50 : x
2. Step 2: Convert to fraction form
   207,969/425,771.50 = 425,771.50/x
3. Step 3: Cross multiply
   207,969x = 425,771.50 × 425,771.50
4. Step 4: Simplify right side
   207,969x = 181,281,370,212.25
5. Step 5: Solve for x
   x = 181,281,370,212.25/207,969
6. Step 6: Final answer
   x = 871,674.96