Finding the Third Proportional to 308,506 and 676,098

Step by Step Solution

1. Step 1: Write the proportion equation
   308,506 : 676,098 = 676,098 : x
2. Step 2: Convert to fraction form
   308,506/676,098 = 676,098/x
3. Step 3: Cross multiply
   308,506x = 676,098 × 676,098
4. Step 4: Simplify right side
   308,506x = 457,108,505,604
5. Step 5: Solve for x
   x = 457,108,505,604/308,506
6. Step 6: Final answer
   x = 1,481,684.33