Finding the Third Proportional to 12,189,532 and 25,387,960

Step by Step Solution

1. Step 1: Write the proportion equation
   12,189,532 : 25,387,960 = 25,387,960 : x
2. Step 2: Convert to fraction form
   12,189,532/25,387,960 = 25,387,960/x
3. Step 3: Cross multiply
   12,189,532x = 25,387,960 × 25,387,960
4. Step 4: Simplify right side
   12,189,532x = 644,548,512,961,600
5. Step 5: Solve for x
   x = 644,548,512,961,600/12,189,532
6. Step 6: Final answer
   x = 52,877,215.71