Finding the Third Proportional to 2,415,412 and 5,209,136

Step by Step Solution

1. Step 1: Write the proportion equation
   2,415,412 : 5,209,136 = 5,209,136 : x
2. Step 2: Convert to fraction form
   2,415,412/5,209,136 = 5,209,136/x
3. Step 3: Cross multiply
   2,415,412x = 5,209,136 × 5,209,136
4. Step 4: Simplify right side
   2,415,412x = 27,135,097,866,496
5. Step 5: Solve for x
   x = 27,135,097,866,496/2,415,412
6. Step 6: Final answer
   x = 11,234,148.82