Finding the Third Proportional to 635,810 and 1,391,905

Step by Step Solution

1. Step 1: Write the proportion equation
   635,810 : 1,391,905 = 1,391,905 : x
2. Step 2: Convert to fraction form
   635,810/1,391,905 = 1,391,905/x
3. Step 3: Cross multiply
   635,810x = 1,391,905 × 1,391,905
4. Step 4: Simplify right side
   635,810x = 1,937,399,529,025
5. Step 5: Solve for x
   x = 1,937,399,529,025/635,810
6. Step 6: Final answer
   x = 3,047,135.98