Finding the Third Proportional to 772,455 and 1,131,030

Step by Step Solution

1. Step 1: Write the proportion equation
   772,455 : 1,131,030 = 1,131,030 : x
2. Step 2: Convert to fraction form
   772,455/1,131,030 = 1,131,030/x
3. Step 3: Cross multiply
   772,455x = 1,131,030 × 1,131,030
4. Step 4: Simplify right side
   772,455x = 1,279,228,860,900
5. Step 5: Solve for x
   x = 1,279,228,860,900/772,455
6. Step 6: Final answer
   x = 1,656,056.16