Finding the Third Proportional to 300,108 and 650,038.50

Step by Step Solution

1. Step 1: Write the proportion equation
   300,108 : 650,038.50 = 650,038.50 : x
2. Step 2: Convert to fraction form
   300,108/650,038.50 = 650,038.50/x
3. Step 3: Cross multiply
   300,108x = 650,038.50 × 650,038.50
4. Step 4: Simplify right side
   300,108x = 422,550,051,482.25
5. Step 5: Solve for x
   x = 422,550,051,482.25/300,108
6. Step 6: Final answer
   x = 1,407,993.29