Finding the Third Proportional to 300,109.50 and 650,043

Step by Step Solution

1. Step 1: Write the proportion equation
   300,109.50 : 650,043 = 650,043 : x
2. Step 2: Convert to fraction form
   300,109.50/650,043 = 650,043/x
3. Step 3: Cross multiply
   300,109.50x = 650,043 × 650,043
4. Step 4: Simplify right side
   300,109.50x = 422,555,901,849
5. Step 5: Solve for x
   x = 422,555,901,849/300,109.50
6. Step 6: Final answer
   x = 1,408,005.75