Finding the Third Proportional to 2,107,640 and 4,547,056

Step by Step Solution

1. Step 1: Write the proportion equation
   2,107,640 : 4,547,056 = 4,547,056 : x
2. Step 2: Convert to fraction form
   2,107,640/4,547,056 = 4,547,056/x
3. Step 3: Cross multiply
   2,107,640x = 4,547,056 × 4,547,056
4. Step 4: Simplify right side
   2,107,640x = 20,675,718,267,136
5. Step 5: Solve for x
   x = 20,675,718,267,136/2,107,640
6. Step 6: Final answer
   x = 9,809,890.81