Finding the Third Proportional to 521,122.50 and 825,849

Step by Step Solution

1. Step 1: Write the proportion equation
   521,122.50 : 825,849 = 825,849 : x
2. Step 2: Convert to fraction form
   521,122.50/825,849 = 825,849/x
3. Step 3: Cross multiply
   521,122.50x = 825,849 × 825,849
4. Step 4: Simplify right side
   521,122.50x = 682,026,570,801
5. Step 5: Solve for x
   x = 682,026,570,801/521,122.50
6. Step 6: Final answer
   x = 1,308,764.39