Finding the Third Proportional to 659,290,077 and 1,372,836,978

Step by Step Solution

1. Step 1: Write the proportion equation
   659,290,077 : 1,372,836,978 = 1,372,836,978 : x
2. Step 2: Convert to fraction form
   659,290,077/1,372,836,978 = 1,372,836,978/x
3. Step 3: Cross multiply
   659,290,077x = 1,372,836,978 × 1,372,836,978
4. Step 4: Simplify right side
   659,290,077x = 1,884,681,368,164,172,544
5. Step 5: Solve for x
   x = 1,884,681,368,164,172,544/659,290,077
6. Step 6: Final answer
   x = 2,858,652,714.36