Finding the Third Proportional to 766,404 and 1,176,390

Step by Step Solution

1. Step 1: Write the proportion equation
   766,404 : 1,176,390 = 1,176,390 : x
2. Step 2: Convert to fraction form
   766,404/1,176,390 = 1,176,390/x
3. Step 3: Cross multiply
   766,404x = 1,176,390 × 1,176,390
4. Step 4: Simplify right side
   766,404x = 1,383,893,432,100
5. Step 5: Solve for x
   x = 1,383,893,432,100/766,404
6. Step 6: Final answer
   x = 1,805,697.04