Finding the Third Proportional to 2,558,088 and 5,470,640

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558,088 : 5,470,640 = 5,470,640 : x
2. Step 2: Convert to fraction form
   2,558,088/5,470,640 = 5,470,640/x
3. Step 3: Cross multiply
   2,558,088x = 5,470,640 × 5,470,640
4. Step 4: Simplify right side
   2,558,088x = 29,927,902,009,600
5. Step 5: Solve for x
   x = 29,927,902,009,600/2,558,088
6. Step 6: Final answer
   x = 11,699,324.66