Finding the Third Proportional to 916,245 and 1,398,060

Step by Step Solution

1. Step 1: Write the proportion equation
   916,245 : 1,398,060 = 1,398,060 : x
2. Step 2: Convert to fraction form
   916,245/1,398,060 = 1,398,060/x
3. Step 3: Cross multiply
   916,245x = 1,398,060 × 1,398,060
4. Step 4: Simplify right side
   916,245x = 1,954,571,763,600
5. Step 5: Solve for x
   x = 1,954,571,763,600/916,245
6. Step 6: Final answer
   x = 2,133,241.40