Finding the Third Proportional to 2,590,964,664 and 5,641,957,488

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590,964,664 : 5,641,957,488 = 5,641,957,488 : x
2. Step 2: Convert to fraction form
   2,590,964,664/5,641,957,488 = 5,641,957,488/x
3. Step 3: Cross multiply
   2,590,964,664x = 5,641,957,488 × 5,641,957,488
4. Step 4: Simplify right side
   2,590,964,664x = 31,831,684,296,399,269,888
5. Step 5: Solve for x
   x = 31,831,684,296,399,269,888/2,590,964,664
6. Step 6: Final answer
   x = 12,285,649,719.07