Finding the Third Proportional to 780,568 and 1,177,000

Step by Step Solution

1. Step 1: Write the proportion equation
   780,568 : 1,177,000 = 1,177,000 : x
2. Step 2: Convert to fraction form
   780,568/1,177,000 = 1,177,000/x
3. Step 3: Cross multiply
   780,568x = 1,177,000 × 1,177,000
4. Step 4: Simplify right side
   780,568x = 1,385,329,000,000
5. Step 5: Solve for x
   x = 1,385,329,000,000/780,568
6. Step 6: Final answer
   x = 1,774,770.42