Finding the Third Proportional to 301,716 and 624,300

Step by Step Solution

1. Step 1: Write the proportion equation
   301,716 : 624,300 = 624,300 : x
2. Step 2: Convert to fraction form
   301,716/624,300 = 624,300/x
3. Step 3: Cross multiply
   301,716x = 624,300 × 624,300
4. Step 4: Simplify right side
   301,716x = 389,750,490,000
5. Step 5: Solve for x
   x = 389,750,490,000/301,716
6. Step 6: Final answer
   x = 1,291,779.32