Finding the Third Proportional to 775,680 and 1,200,384

Step by Step Solution

1. Step 1: Write the proportion equation
   775,680 : 1,200,384 = 1,200,384 : x
2. Step 2: Convert to fraction form
   775,680/1,200,384 = 1,200,384/x
3. Step 3: Cross multiply
   775,680x = 1,200,384 × 1,200,384
4. Step 4: Simplify right side
   775,680x = 1,440,921,747,456
5. Step 5: Solve for x
   x = 1,440,921,747,456/775,680
6. Step 6: Final answer
   x = 1,857,623.95