Finding the Third Proportional to 144,375,676 and 300,648,620

Step by Step Solution

1. Step 1: Write the proportion equation
   144,375,676 : 300,648,620 = 300,648,620 : x
2. Step 2: Convert to fraction form
   144,375,676/300,648,620 = 300,648,620/x
3. Step 3: Cross multiply
   144,375,676x = 300,648,620 × 300,648,620
4. Step 4: Simplify right side
   144,375,676x = 90,389,592,707,904,400
5. Step 5: Solve for x
   x = 90,389,592,707,904,400/144,375,676
6. Step 6: Final answer
   x = 626,072,169.58