Finding the Third Proportional to 766,647 and 1,122,086

Step by Step Solution

1. Step 1: Write the proportion equation
   766,647 : 1,122,086 = 1,122,086 : x
2. Step 2: Convert to fraction form
   766,647/1,122,086 = 1,122,086/x
3. Step 3: Cross multiply
   766,647x = 1,122,086 × 1,122,086
4. Step 4: Simplify right side
   766,647x = 1,259,076,991,396
5. Step 5: Solve for x
   x = 1,259,076,991,396/766,647
6. Step 6: Final answer
   x = 1,642,316.47