Finding the Third Proportional to 2,391,136 and 5,180,624

Step by Step Solution

1. Step 1: Write the proportion equation
   2,391,136 : 5,180,624 = 5,180,624 : x
2. Step 2: Convert to fraction form
   2,391,136/5,180,624 = 5,180,624/x
3. Step 3: Cross multiply
   2,391,136x = 5,180,624 × 5,180,624
4. Step 4: Simplify right side
   2,391,136x = 26,838,865,029,376
5. Step 5: Solve for x
   x = 26,838,865,029,376/2,391,136
6. Step 6: Final answer
   x = 11,224,315.57