Finding the Third Proportional to 148,969 and 304,499

Step by Step Solution

1. Step 1: Write the proportion equation
   148,969 : 304,499 = 304,499 : x
2. Step 2: Convert to fraction form
   148,969/304,499 = 304,499/x
3. Step 3: Cross multiply
   148,969x = 304,499 × 304,499
4. Step 4: Simplify right side
   148,969x = 92,719,641,001
5. Step 5: Solve for x
   x = 92,719,641,001/148,969
6. Step 6: Final answer
   x = 622,408.96