Finding the Third Proportional to 785,797,570 and 1,309,583,689

Step by Step Solution

1. Step 1: Write the proportion equation
   785,797,570 : 1,309,583,689 = 1,309,583,689 : x
2. Step 2: Convert to fraction form
   785,797,570/1,309,583,689 = 1,309,583,689/x
3. Step 3: Cross multiply
   785,797,570x = 1,309,583,689 × 1,309,583,689
4. Step 4: Simplify right side
   785,797,570x = 1,715,009,438,494,848,768
5. Step 5: Solve for x
   x = 1,715,009,438,494,848,768/785,797,570
6. Step 6: Final answer
   x = 2,182,507,943.48