Finding the Third Proportional to 2,473,278 and 5,369,556

Step by Step Solution

1. Step 1: Write the proportion equation
   2,473,278 : 5,369,556 = 5,369,556 : x
2. Step 2: Convert to fraction form
   2,473,278/5,369,556 = 5,369,556/x
3. Step 3: Cross multiply
   2,473,278x = 5,369,556 × 5,369,556
4. Step 4: Simplify right side
   2,473,278x = 28,832,131,637,136
5. Step 5: Solve for x
   x = 28,832,131,637,136/2,473,278
6. Step 6: Final answer
   x = 11,657,456.88