Finding the Third Proportional to 763,103 and 1,036,397

Step by Step Solution

1. Step 1: Write the proportion equation
   763,103 : 1,036,397 = 1,036,397 : x
2. Step 2: Convert to fraction form
   763,103/1,036,397 = 1,036,397/x
3. Step 3: Cross multiply
   763,103x = 1,036,397 × 1,036,397
4. Step 4: Simplify right side
   763,103x = 1,074,118,741,609
5. Step 5: Solve for x
   x = 1,074,118,741,609/763,103
6. Step 6: Final answer
   x = 1,407,567.19