Finding the Third Proportional to 12,189,338 and 25,387,586

Step by Step Solution

1. Step 1: Write the proportion equation
   12,189,338 : 25,387,586 = 25,387,586 : x
2. Step 2: Convert to fraction form
   12,189,338/25,387,586 = 25,387,586/x
3. Step 3: Cross multiply
   12,189,338x = 25,387,586 × 25,387,586
4. Step 4: Simplify right side
   12,189,338x = 644,529,522,907,396
5. Step 5: Solve for x
   x = 644,529,522,907,396/12,189,338
6. Step 6: Final answer
   x = 52,876,499.36