Finding the Third Proportional to 260,946 and 404,046

Step by Step Solution

1. Step 1: Write the proportion equation
   260,946 : 404,046 = 404,046 : x
2. Step 2: Convert to fraction form
   260,946/404,046 = 404,046/x
3. Step 3: Cross multiply
   260,946x = 404,046 × 404,046
4. Step 4: Simplify right side
   260,946x = 163,253,170,116
5. Step 5: Solve for x
   x = 163,253,170,116/260,946
6. Step 6: Final answer
   x = 625,620.51