Finding the Third Proportional to 663,186 and 1,450,788

Step by Step Solution

1. Step 1: Write the proportion equation
   663,186 : 1,450,788 = 1,450,788 : x
2. Step 2: Convert to fraction form
   663,186/1,450,788 = 1,450,788/x
3. Step 3: Cross multiply
   663,186x = 1,450,788 × 1,450,788
4. Step 4: Simplify right side
   663,186x = 2,104,785,820,944
5. Step 5: Solve for x
   x = 2,104,785,820,944/663,186
6. Step 6: Final answer
   x = 3,173,748.87