Finding the Third Proportional to 304,830 and 452,830

Step by Step Solution

1. Step 1: Write the proportion equation
   304,830 : 452,830 = 452,830 : x
2. Step 2: Convert to fraction form
   304,830/452,830 = 452,830/x
3. Step 3: Cross multiply
   304,830x = 452,830 × 452,830
4. Step 4: Simplify right side
   304,830x = 205,055,008,900
5. Step 5: Solve for x
   x = 205,055,008,900/304,830
6. Step 6: Final answer
   x = 672,686.44