Finding the Third Proportional to 763,278 and 1,036,596

Step by Step Solution

1. Step 1: Write the proportion equation
   763,278 : 1,036,596 = 1,036,596 : x
2. Step 2: Convert to fraction form
   763,278/1,036,596 = 1,036,596/x
3. Step 3: Cross multiply
   763,278x = 1,036,596 × 1,036,596
4. Step 4: Simplify right side
   763,278x = 1,074,531,267,216
5. Step 5: Solve for x
   x = 1,074,531,267,216/763,278
6. Step 6: Final answer
   x = 1,407,784.93