Finding the Third Proportional to 355,443.50 and 782,932

Step by Step Solution

1. Step 1: Write the proportion equation
   355,443.50 : 782,932 = 782,932 : x
2. Step 2: Convert to fraction form
   355,443.50/782,932 = 782,932/x
3. Step 3: Cross multiply
   355,443.50x = 782,932 × 782,932
4. Step 4: Simplify right side
   355,443.50x = 612,982,516,624
5. Step 5: Solve for x
   x = 612,982,516,624/355,443.50
6. Step 6: Final answer
   x = 1,724,556.83