Finding the Third Proportional to 780,986 and 1,705,180

Step by Step Solution

1. Step 1: Write the proportion equation
   780,986 : 1,705,180 = 1,705,180 : x
2. Step 2: Convert to fraction form
   780,986/1,705,180 = 1,705,180/x
3. Step 3: Cross multiply
   780,986x = 1,705,180 × 1,705,180
4. Step 4: Simplify right side
   780,986x = 2,907,638,832,400
5. Step 5: Solve for x
   x = 2,907,638,832,400/780,986
6. Step 6: Final answer
   x = 3,723,035.79