Finding the Third Proportional to 2,558,169 and 5,503,428

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558,169 : 5,503,428 = 5,503,428 : x
2. Step 2: Convert to fraction form
   2,558,169/5,503,428 = 5,503,428/x
3. Step 3: Cross multiply
   2,558,169x = 5,503,428 × 5,503,428
4. Step 4: Simplify right side
   2,558,169x = 30,287,719,751,184
5. Step 5: Solve for x
   x = 30,287,719,751,184/2,558,169
6. Step 6: Final answer
   x = 11,839,608.62