Finding the Third Proportional to 2,493,355 and 5,385,446

Step by Step Solution

1. Step 1: Write the proportion equation
   2,493,355 : 5,385,446 = 5,385,446 : x
2. Step 2: Convert to fraction form
   2,493,355/5,385,446 = 5,385,446/x
3. Step 3: Cross multiply
   2,493,355x = 5,385,446 × 5,385,446
4. Step 4: Simplify right side
   2,493,355x = 29,003,028,618,916
5. Step 5: Solve for x
   x = 29,003,028,618,916/2,493,355
6. Step 6: Final answer
   x = 11,632,129.65