Finding the Third Proportional to 12,189,544 and 25,387,983

Step by Step Solution

1. Step 1: Write the proportion equation
   12,189,544 : 25,387,983 = 25,387,983 : x
2. Step 2: Convert to fraction form
   12,189,544/25,387,983 = 25,387,983/x
3. Step 3: Cross multiply
   12,189,544x = 25,387,983 × 25,387,983
4. Step 4: Simplify right side
   12,189,544x = 644,549,680,808,289
5. Step 5: Solve for x
   x = 644,549,680,808,289/12,189,544
6. Step 6: Final answer
   x = 52,877,259.46