Finding the Third Proportional to 144,034,704 and 315,389,412

Step by Step Solution

1. Step 1: Write the proportion equation
   144,034,704 : 315,389,412 = 315,389,412 : x
2. Step 2: Convert to fraction form
   144,034,704/315,389,412 = 315,389,412/x
3. Step 3: Cross multiply
   144,034,704x = 315,389,412 × 315,389,412
4. Step 4: Simplify right side
   144,034,704x = 99,470,481,201,705,744
5. Step 5: Solve for x
   x = 99,470,481,201,705,744/144,034,704
6. Step 6: Final answer
   x = 690,600,795.78