Finding the Third Proportional to 763,099 and 1,036,391

Step by Step Solution

1. Step 1: Write the proportion equation
   763,099 : 1,036,391 = 1,036,391 : x
2. Step 2: Convert to fraction form
   763,099/1,036,391 = 1,036,391/x
3. Step 3: Cross multiply
   763,099x = 1,036,391 × 1,036,391
4. Step 4: Simplify right side
   763,099x = 1,074,106,304,881
5. Step 5: Solve for x
   x = 1,074,106,304,881/763,099
6. Step 6: Final answer
   x = 1,407,558.27