Finding the Third Proportional to 3,558,886 and 5,515,293

Step by Step Solution

1. Step 1: Write the proportion equation
   3,558,886 : 5,515,293 = 5,515,293 : x
2. Step 2: Convert to fraction form
   3,558,886/5,515,293 = 5,515,293/x
3. Step 3: Cross multiply
   3,558,886x = 5,515,293 × 5,515,293
4. Step 4: Simplify right side
   3,558,886x = 30,418,456,875,849
5. Step 5: Solve for x
   x = 30,418,456,875,849/3,558,886
6. Step 6: Final answer
   x = 8,547,184.96