Finding the Third Proportional to 300,807 and 650,700

Step by Step Solution

1. Step 1: Write the proportion equation
   300,807 : 650,700 = 650,700 : x
2. Step 2: Convert to fraction form
   300,807/650,700 = 650,700/x
3. Step 3: Cross multiply
   300,807x = 650,700 × 650,700
4. Step 4: Simplify right side
   300,807x = 423,410,490,000
5. Step 5: Solve for x
   x = 423,410,490,000/300,807
6. Step 6: Final answer
   x = 1,407,581.90