Finding the Third Proportional to 272,470 and 404,816

Step by Step Solution

1. Step 1: Write the proportion equation
   272,470 : 404,816 = 404,816 : x
2. Step 2: Convert to fraction form
   272,470/404,816 = 404,816/x
3. Step 3: Cross multiply
   272,470x = 404,816 × 404,816
4. Step 4: Simplify right side
   272,470x = 163,875,993,856
5. Step 5: Solve for x
   x = 163,875,993,856/272,470
6. Step 6: Final answer
   x = 601,446.01