Finding the Third Proportional to 300,364 and 650,300

Step by Step Solution

1. Step 1: Write the proportion equation
   300,364 : 650,300 = 650,300 : x
2. Step 2: Convert to fraction form
   300,364/650,300 = 650,300/x
3. Step 3: Cross multiply
   300,364x = 650,300 × 650,300
4. Step 4: Simplify right side
   300,364x = 422,890,090,000
5. Step 5: Solve for x
   x = 422,890,090,000/300,364
6. Step 6: Final answer
   x = 1,407,925.35