Finding the Third Proportional to 635,912 and 1,347,640

Step by Step Solution

1. Step 1: Write the proportion equation
   635,912 : 1,347,640 = 1,347,640 : x
2. Step 2: Convert to fraction form
   635,912/1,347,640 = 1,347,640/x
3. Step 3: Cross multiply
   635,912x = 1,347,640 × 1,347,640
4. Step 4: Simplify right side
   635,912x = 1,816,133,569,600
5. Step 5: Solve for x
   x = 1,816,133,569,600/635,912
6. Step 6: Final answer
   x = 2,855,951.09