Finding the Third Proportional to 12,015,942 and 25,823,430

Step by Step Solution

1. Step 1: Write the proportion equation
   12,015,942 : 25,823,430 = 25,823,430 : x
2. Step 2: Convert to fraction form
   12,015,942/25,823,430 = 25,823,430/x
3. Step 3: Cross multiply
   12,015,942x = 25,823,430 × 25,823,430
4. Step 4: Simplify right side
   12,015,942x = 666,849,536,964,900
5. Step 5: Solve for x
   x = 666,849,536,964,900/12,015,942
6. Step 6: Final answer
   x = 55,497,066.89