Finding the Third Proportional to 383,323.50 and 561,043

Step by Step Solution

1. Step 1: Write the proportion equation
   383,323.50 : 561,043 = 561,043 : x
2. Step 2: Convert to fraction form
   383,323.50/561,043 = 561,043/x
3. Step 3: Cross multiply
   383,323.50x = 561,043 × 561,043
4. Step 4: Simplify right side
   383,323.50x = 314,769,247,849
5. Step 5: Solve for x
   x = 314,769,247,849/383,323.50
6. Step 6: Final answer
   x = 821,158.23