Finding the Third Proportional to 772,459 and 1,131,036

Step by Step Solution

1. Step 1: Write the proportion equation
   772,459 : 1,131,036 = 1,131,036 : x
2. Step 2: Convert to fraction form
   772,459/1,131,036 = 1,131,036/x
3. Step 3: Cross multiply
   772,459x = 1,131,036 × 1,131,036
4. Step 4: Simplify right side
   772,459x = 1,279,242,433,296
5. Step 5: Solve for x
   x = 1,279,242,433,296/772,459
6. Step 6: Final answer
   x = 1,656,065.15