Finding the Third Proportional to 11,637,884 and 25,290,238

Step by Step Solution

1. Step 1: Write the proportion equation
   11,637,884 : 25,290,238 = 25,290,238 : x
2. Step 2: Convert to fraction form
   11,637,884/25,290,238 = 25,290,238/x
3. Step 3: Cross multiply
   11,637,884x = 25,290,238 × 25,290,238
4. Step 4: Simplify right side
   11,637,884x = 639,596,138,096,644
5. Step 5: Solve for x
   x = 639,596,138,096,644/11,637,884
6. Step 6: Final answer
   x = 54,958,112.50