Finding the Third Proportional to 404,426 and 602,746

Step by Step Solution

1. Step 1: Write the proportion equation
   404,426 : 602,746 = 602,746 : x
2. Step 2: Convert to fraction form
   404,426/602,746 = 602,746/x
3. Step 3: Cross multiply
   404,426x = 602,746 × 602,746
4. Step 4: Simplify right side
   404,426x = 363,302,740,516
5. Step 5: Solve for x
   x = 363,302,740,516/404,426
6. Step 6: Final answer
   x = 898,316.97