Finding the Third Proportional to 676,911 and 1,486,665

Step by Step Solution

1. Step 1: Write the proportion equation
   676,911 : 1,486,665 = 1,486,665 : x
2. Step 2: Convert to fraction form
   676,911/1,486,665 = 1,486,665/x
3. Step 3: Cross multiply
   676,911x = 1,486,665 × 1,486,665
4. Step 4: Simplify right side
   676,911x = 2,210,172,822,225
5. Step 5: Solve for x
   x = 2,210,172,822,225/676,911
6. Step 6: Final answer
   x = 3,265,086.28