Finding the Third Proportional to 787,437,544.50 and 1,687,192,171.31

Step by Step Solution

1. Step 1: Write the proportion equation
   787,437,544.50 : 1,687,192,171.31 = 1,687,192,171.31 : x
2. Step 2: Convert to fraction form
   787,437,544.50/1,687,192,171.31 = 1,687,192,171.31/x
3. Step 3: Cross multiply
   787,437,544.50x = 1,687,192,171.31 × 1,687,192,171.31
4. Step 4: Simplify right side
   787,437,544.50x = 2,846,617,422,938,188,288
5. Step 5: Solve for x
   x = 2,846,617,422,938,188,288/787,437,544.50
6. Step 6: Final answer
   x = 3,615,038,986.67