Finding the Third Proportional to 772,447 and 1,131,018

Step by Step Solution

1. Step 1: Write the proportion equation
   772,447 : 1,131,018 = 1,131,018 : x
2. Step 2: Convert to fraction form
   772,447/1,131,018 = 1,131,018/x
3. Step 3: Cross multiply
   772,447x = 1,131,018 × 1,131,018
4. Step 4: Simplify right side
   772,447x = 1,279,201,716,324
5. Step 5: Solve for x
   x = 1,279,201,716,324/772,447
6. Step 6: Final answer
   x = 1,656,038.17