Finding the Third Proportional to 668,018 and 1,455,916

Step by Step Solution

1. Step 1: Write the proportion equation
   668,018 : 1,455,916 = 1,455,916 : x
2. Step 2: Convert to fraction form
   668,018/1,455,916 = 1,455,916/x
3. Step 3: Cross multiply
   668,018x = 1,455,916 × 1,455,916
4. Step 4: Simplify right side
   668,018x = 2,119,691,399,056
5. Step 5: Solve for x
   x = 2,119,691,399,056/668,018
6. Step 6: Final answer
   x = 3,173,105.21