Finding the Third Proportional to 304,820 and 452,816

Step by Step Solution

1. Step 1: Write the proportion equation
   304,820 : 452,816 = 452,816 : x
2. Step 2: Convert to fraction form
   304,820/452,816 = 452,816/x
3. Step 3: Cross multiply
   304,820x = 452,816 × 452,816
4. Step 4: Simplify right side
   304,820x = 205,042,329,856
5. Step 5: Solve for x
   x = 205,042,329,856/304,820
6. Step 6: Final answer
   x = 672,666.92