Finding the Third Proportional to 776,464 and 1,646,228

Step by Step Solution

1. Step 1: Write the proportion equation
   776,464 : 1,646,228 = 1,646,228 : x
2. Step 2: Convert to fraction form
   776,464/1,646,228 = 1,646,228/x
3. Step 3: Cross multiply
   776,464x = 1,646,228 × 1,646,228
4. Step 4: Simplify right side
   776,464x = 2,710,066,627,984
5. Step 5: Solve for x
   x = 2,710,066,627,984/776,464
6. Step 6: Final answer
   x = 3,490,266.94