Finding the Third Proportional to 1,916,179 and 4,172,557

Step by Step Solution

1. Step 1: Write the proportion equation
   1,916,179 : 4,172,557 = 4,172,557 : x
2. Step 2: Convert to fraction form
   1,916,179/4,172,557 = 4,172,557/x
3. Step 3: Cross multiply
   1,916,179x = 4,172,557 × 4,172,557
4. Step 4: Simplify right side
   1,916,179x = 17,410,231,918,249
5. Step 5: Solve for x
   x = 17,410,231,918,249/1,916,179
6. Step 6: Final answer
   x = 9,085,911.03