Finding the Third Proportional to 899,340,361.88 and 2,005,468,216.31

Step by Step Solution

1. Step 1: Write the proportion equation
   899,340,361.88 : 2,005,468,216.31 = 2,005,468,216.31 : x
2. Step 2: Convert to fraction form
   899,340,361.88/2,005,468,216.31 = 2,005,468,216.31/x
3. Step 3: Cross multiply
   899,340,361.88x = 2,005,468,216.31 × 2,005,468,216.31
4. Step 4: Simplify right side
   899,340,361.88x = 4,021,902,766,639,640,064
5. Step 5: Solve for x
   x = 4,021,902,766,639,640,064/899,340,361.88
6. Step 6: Final answer
   x = 4,472,058,563.29