Finding the Third Proportional to 1,207,278 and 1,633,770

Step by Step Solution

1. Step 1: Write the proportion equation
   1,207,278 : 1,633,770 = 1,633,770 : x
2. Step 2: Convert to fraction form
   1,207,278/1,633,770 = 1,633,770/x
3. Step 3: Cross multiply
   1,207,278x = 1,633,770 × 1,633,770
4. Step 4: Simplify right side
   1,207,278x = 2,669,204,412,900
5. Step 5: Solve for x
   x = 2,669,204,412,900/1,207,278
6. Step 6: Final answer
   x = 2,210,927.73