Finding the Third Proportional to 646,786 and 1,335,066

Step by Step Solution

1. Step 1: Write the proportion equation
   646,786 : 1,335,066 = 1,335,066 : x
2. Step 2: Convert to fraction form
   646,786/1,335,066 = 1,335,066/x
3. Step 3: Cross multiply
   646,786x = 1,335,066 × 1,335,066
4. Step 4: Simplify right side
   646,786x = 1,782,401,224,356
5. Step 5: Solve for x
   x = 1,782,401,224,356/646,786
6. Step 6: Final answer
   x = 2,755,782.01