Finding the Third Proportional to 304,865 and 670,064.50

Step by Step Solution

1. Step 1: Write the proportion equation
   304,865 : 670,064.50 = 670,064.50 : x
2. Step 2: Convert to fraction form
   304,865/670,064.50 = 670,064.50/x
3. Step 3: Cross multiply
   304,865x = 670,064.50 × 670,064.50
4. Step 4: Simplify right side
   304,865x = 448,986,434,160.25
5. Step 5: Solve for x
   x = 448,986,434,160.25/304,865
6. Step 6: Final answer
   x = 1,472,738.54