Finding the Third Proportional to 1,004,978 and 1,364,680

Step by Step Solution

1. Step 1: Write the proportion equation
   1,004,978 : 1,364,680 = 1,364,680 : x
2. Step 2: Convert to fraction form
   1,004,978/1,364,680 = 1,364,680/x
3. Step 3: Cross multiply
   1,004,978x = 1,364,680 × 1,364,680
4. Step 4: Simplify right side
   1,004,978x = 1,862,351,502,400
5. Step 5: Solve for x
   x = 1,862,351,502,400/1,004,978
6. Step 6: Final answer
   x = 1,853,126.64