Finding the Third Proportional to 766,066 and 1,212,450

Step by Step Solution

1. Step 1: Write the proportion equation
   766,066 : 1,212,450 = 1,212,450 : x
2. Step 2: Convert to fraction form
   766,066/1,212,450 = 1,212,450/x
3. Step 3: Cross multiply
   766,066x = 1,212,450 × 1,212,450
4. Step 4: Simplify right side
   766,066x = 1,470,035,002,500
5. Step 5: Solve for x
   x = 1,470,035,002,500/766,066
6. Step 6: Final answer
   x = 1,918,940.41