Finding the Third Proportional to 374,558 and 825,467.50

Step by Step Solution

1. Step 1: Write the proportion equation
   374,558 : 825,467.50 = 825,467.50 : x
2. Step 2: Convert to fraction form
   374,558/825,467.50 = 825,467.50/x
3. Step 3: Cross multiply
   374,558x = 825,467.50 × 825,467.50
4. Step 4: Simplify right side
   374,558x = 681,396,593,556.25
5. Step 5: Solve for x
   x = 681,396,593,556.25/374,558
6. Step 6: Final answer
   x = 1,819,201.82