Finding the Third Proportional to 300,404 and 609,097

Step by Step Solution

1. Step 1: Write the proportion equation
   300,404 : 609,097 = 609,097 : x
2. Step 2: Convert to fraction form
   300,404/609,097 = 609,097/x
3. Step 3: Cross multiply
   300,404x = 609,097 × 609,097
4. Step 4: Simplify right side
   300,404x = 370,999,155,409
5. Step 5: Solve for x
   x = 370,999,155,409/300,404
6. Step 6: Final answer
   x = 1,235,000.72