Finding the Third Proportional to 778,468 and 1,173,270

Step by Step Solution

1. Step 1: Write the proportion equation
   778,468 : 1,173,270 = 1,173,270 : x
2. Step 2: Convert to fraction form
   778,468/1,173,270 = 1,173,270/x
3. Step 3: Cross multiply
   778,468x = 1,173,270 × 1,173,270
4. Step 4: Simplify right side
   778,468x = 1,376,562,492,900
5. Step 5: Solve for x
   x = 1,376,562,492,900/778,468
6. Step 6: Final answer
   x = 1,768,296.83