Finding the Third Proportional to 463,902 and 718,300

Step by Step Solution

1. Step 1: Write the proportion equation
   463,902 : 718,300 = 718,300 : x
2. Step 2: Convert to fraction form
   463,902/718,300 = 718,300/x
3. Step 3: Cross multiply
   463,902x = 718,300 × 718,300
4. Step 4: Simplify right side
   463,902x = 515,954,890,000
5. Step 5: Solve for x
   x = 515,954,890,000/463,902
6. Step 6: Final answer
   x = 1,112,206.65