Finding the Third Proportional to 1,916,208 and 4,172,616

Step by Step Solution

1. Step 1: Write the proportion equation
   1,916,208 : 4,172,616 = 4,172,616 : x
2. Step 2: Convert to fraction form
   1,916,208/4,172,616 = 4,172,616/x
3. Step 3: Cross multiply
   1,916,208x = 4,172,616 × 4,172,616
4. Step 4: Simplify right side
   1,916,208x = 17,410,724,283,456
5. Step 5: Solve for x
   x = 17,410,724,283,456/1,916,208
6. Step 6: Final answer
   x = 9,086,030.47