Finding the Third Proportional to 656,458,791 and 1,039,485,874.50

Step by Step Solution

1. Step 1: Write the proportion equation
   656,458,791 : 1,039,485,874.50 = 1,039,485,874.50 : x
2. Step 2: Convert to fraction form
   656,458,791/1,039,485,874.50 = 1,039,485,874.50/x
3. Step 3: Cross multiply
   656,458,791x = 1,039,485,874.50 × 1,039,485,874.50
4. Step 4: Simplify right side
   656,458,791x = 1,080,530,883,285,029,760
5. Step 5: Solve for x
   x = 1,080,530,883,285,029,760/656,458,791
6. Step 6: Final answer
   x = 1,645,999,563.26