Finding the Third Proportional to 12,494,900 and 18,875,478

Step by Step Solution

1. Step 1: Write the proportion equation
   12,494,900 : 18,875,478 = 18,875,478 : x
2. Step 2: Convert to fraction form
   12,494,900/18,875,478 = 18,875,478/x
3. Step 3: Cross multiply
   12,494,900x = 18,875,478 × 18,875,478
4. Step 4: Simplify right side
   12,494,900x = 356,283,669,728,484
5. Step 5: Solve for x
   x = 356,283,669,728,484/12,494,900
6. Step 6: Final answer
   x = 28,514,327.42