Finding the Third Proportional to 425,744.50 and 709,546

Step by Step Solution

1. Step 1: Write the proportion equation
   425,744.50 : 709,546 = 709,546 : x
2. Step 2: Convert to fraction form
   425,744.50/709,546 = 709,546/x
3. Step 3: Cross multiply
   425,744.50x = 709,546 × 709,546
4. Step 4: Simplify right side
   425,744.50x = 503,455,526,116
5. Step 5: Solve for x
   x = 503,455,526,116/425,744.50
6. Step 6: Final answer
   x = 1,182,529.72