Finding the Third Proportional to 635,380 and 1,397,120

Step by Step Solution

1. Step 1: Write the proportion equation
   635,380 : 1,397,120 = 1,397,120 : x
2. Step 2: Convert to fraction form
   635,380/1,397,120 = 1,397,120/x
3. Step 3: Cross multiply
   635,380x = 1,397,120 × 1,397,120
4. Step 4: Simplify right side
   635,380x = 1,951,944,294,400
5. Step 5: Solve for x
   x = 1,951,944,294,400/635,380
6. Step 6: Final answer
   x = 3,072,089.61