Finding the Third Proportional to 2,493,414 and 5,385,456

Step by Step Solution

1. Step 1: Write the proportion equation
   2,493,414 : 5,385,456 = 5,385,456 : x
2. Step 2: Convert to fraction form
   2,493,414/5,385,456 = 5,385,456/x
3. Step 3: Cross multiply
   2,493,414x = 5,385,456 × 5,385,456
4. Step 4: Simplify right side
   2,493,414x = 29,003,136,327,936
5. Step 5: Solve for x
   x = 29,003,136,327,936/2,493,414
6. Step 6: Final answer
   x = 11,631,897.60