Finding the Third Proportional to 295,840.50 and 647,997

Step by Step Solution

1. Step 1: Write the proportion equation
   295,840.50 : 647,997 = 647,997 : x
2. Step 2: Convert to fraction form
   295,840.50/647,997 = 647,997/x
3. Step 3: Cross multiply
   295,840.50x = 647,997 × 647,997
4. Step 4: Simplify right side
   295,840.50x = 419,900,112,009
5. Step 5: Solve for x
   x = 419,900,112,009/295,840.50
6. Step 6: Final answer
   x = 1,419,346.28