Finding the Third Proportional to 3,558,904 and 5,515,317

Step by Step Solution

1. Step 1: Write the proportion equation
   3,558,904 : 5,515,317 = 5,515,317 : x
2. Step 2: Convert to fraction form
   3,558,904/5,515,317 = 5,515,317/x
3. Step 3: Cross multiply
   3,558,904x = 5,515,317 × 5,515,317
4. Step 4: Simplify right side
   3,558,904x = 30,418,721,610,489
5. Step 5: Solve for x
   x = 30,418,721,610,489/3,558,904
6. Step 6: Final answer
   x = 8,547,216.11