Finding the Third Proportional to 169,470 and 361,456

Step by Step Solution

1. Step 1: Write the proportion equation
   169,470 : 361,456 = 361,456 : x
2. Step 2: Convert to fraction form
   169,470/361,456 = 361,456/x
3. Step 3: Cross multiply
   169,470x = 361,456 × 361,456
4. Step 4: Simplify right side
   169,470x = 130,650,439,936
5. Step 5: Solve for x
   x = 130,650,439,936/169,470
6. Step 6: Final answer
   x = 770,935.50