Finding the Third Proportional to 766,216 and 1,155,155

Step by Step Solution

1. Step 1: Write the proportion equation
   766,216 : 1,155,155 = 1,155,155 : x
2. Step 2: Convert to fraction form
   766,216/1,155,155 = 1,155,155/x
3. Step 3: Cross multiply
   766,216x = 1,155,155 × 1,155,155
4. Step 4: Simplify right side
   766,216x = 1,334,383,074,025
5. Step 5: Solve for x
   x = 1,334,383,074,025/766,216
6. Step 6: Final answer
   x = 1,741,523.37