Finding the Third Proportional to 2,665,422 and 5,756,391

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665,422 : 5,756,391 = 5,756,391 : x
2. Step 2: Convert to fraction form
   2,665,422/5,756,391 = 5,756,391/x
3. Step 3: Cross multiply
   2,665,422x = 5,756,391 × 5,756,391
4. Step 4: Simplify right side
   2,665,422x = 33,136,037,344,881
5. Step 5: Solve for x
   x = 33,136,037,344,881/2,665,422
6. Step 6: Final answer
   x = 12,431,816.55