Finding the Third Proportional to 763,345 and 1,036,699

Step by Step Solution

1. Step 1: Write the proportion equation
   763,345 : 1,036,699 = 1,036,699 : x
2. Step 2: Convert to fraction form
   763,345/1,036,699 = 1,036,699/x
3. Step 3: Cross multiply
   763,345x = 1,036,699 × 1,036,699
4. Step 4: Simplify right side
   763,345x = 1,074,744,816,601
5. Step 5: Solve for x
   x = 1,074,744,816,601/763,345
6. Step 6: Final answer
   x = 1,407,941.12