Finding the Third Proportional to 2,558,148 and 5,503,392

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558,148 : 5,503,392 = 5,503,392 : x
2. Step 2: Convert to fraction form
   2,558,148/5,503,392 = 5,503,392/x
3. Step 3: Cross multiply
   2,558,148x = 5,503,392 × 5,503,392
4. Step 4: Simplify right side
   2,558,148x = 30,287,323,505,664
5. Step 5: Solve for x
   x = 30,287,323,505,664/2,558,148
6. Step 6: Final answer
   x = 11,839,550.92