Finding the Third Proportional to 510,847,244 and 789,250,404

Step by Step Solution

1. Step 1: Write the proportion equation
   510,847,244 : 789,250,404 = 789,250,404 : x
2. Step 2: Convert to fraction form
   510,847,244/789,250,404 = 789,250,404/x
3. Step 3: Cross multiply
   510,847,244x = 789,250,404 × 789,250,404
4. Step 4: Simplify right side
   510,847,244x = 622,916,200,214,163,200
5. Step 5: Solve for x
   x = 622,916,200,214,163,200/510,847,244
6. Step 6: Final answer
   x = 1,219,378,605.90