Finding the Third Proportional to 1,619,072 and 3,487,326

Step by Step Solution

1. Step 1: Write the proportion equation
   1,619,072 : 3,487,326 = 3,487,326 : x
2. Step 2: Convert to fraction form
   1,619,072/3,487,326 = 3,487,326/x
3. Step 3: Cross multiply
   1,619,072x = 3,487,326 × 3,487,326
4. Step 4: Simplify right side
   1,619,072x = 12,161,442,630,276
5. Step 5: Solve for x
   x = 12,161,442,630,276/1,619,072
6. Step 6: Final answer
   x = 7,511,366.16