Finding the Third Proportional to 664,967 and 1,053,119

Step by Step Solution

1. Step 1: Write the proportion equation
   664,967 : 1,053,119 = 1,053,119 : x
2. Step 2: Convert to fraction form
   664,967/1,053,119 = 1,053,119/x
3. Step 3: Cross multiply
   664,967x = 1,053,119 × 1,053,119
4. Step 4: Simplify right side
   664,967x = 1,109,059,628,161
5. Step 5: Solve for x
   x = 1,109,059,628,161/664,967
6. Step 6: Final answer
   x = 1,667,841.60