Finding the Third Proportional to 768,696 and 1,123,422

Step by Step Solution

1. Step 1: Write the proportion equation
   768,696 : 1,123,422 = 1,123,422 : x
2. Step 2: Convert to fraction form
   768,696/1,123,422 = 1,123,422/x
3. Step 3: Cross multiply
   768,696x = 1,123,422 × 1,123,422
4. Step 4: Simplify right side
   768,696x = 1,262,076,990,084
5. Step 5: Solve for x
   x = 1,262,076,990,084/768,696
6. Step 6: Final answer
   x = 1,641,841.50