Finding the Third Proportional to 677,809,892.25 and 1,047,388,149

Step by Step Solution

1. Step 1: Write the proportion equation
   677,809,892.25 : 1,047,388,149 = 1,047,388,149 : x
2. Step 2: Convert to fraction form
   677,809,892.25/1,047,388,149 = 1,047,388,149/x
3. Step 3: Cross multiply
   677,809,892.25x = 1,047,388,149 × 1,047,388,149
4. Step 4: Simplify right side
   677,809,892.25x = 1,097,021,934,665,646,208
5. Step 5: Solve for x
   x = 1,097,021,934,665,646,208/677,809,892.25
6. Step 6: Final answer
   x = 1,618,480,265.94