Finding the Third Proportional to 622,086 and 1,364,699

Step by Step Solution

1. Step 1: Write the proportion equation
   622,086 : 1,364,699 = 1,364,699 : x
2. Step 2: Convert to fraction form
   622,086/1,364,699 = 1,364,699/x
3. Step 3: Cross multiply
   622,086x = 1,364,699 × 1,364,699
4. Step 4: Simplify right side
   622,086x = 1,862,403,360,601
5. Step 5: Solve for x
   x = 1,862,403,360,601/622,086
6. Step 6: Final answer
   x = 2,993,803.69