Finding the Third Proportional to 2,808,148 and 5,476,328

Step by Step Solution

1. Step 1: Write the proportion equation
   2,808,148 : 5,476,328 = 5,476,328 : x
2. Step 2: Convert to fraction form
   2,808,148/5,476,328 = 5,476,328/x
3. Step 3: Cross multiply
   2,808,148x = 5,476,328 × 5,476,328
4. Step 4: Simplify right side
   2,808,148x = 29,990,168,363,584
5. Step 5: Solve for x
   x = 29,990,168,363,584/2,808,148
6. Step 6: Final answer
   x = 10,679,696.50