Finding the Third Proportional to 19,003,958 and 25,819,215

Step by Step Solution

1. Step 1: Write the proportion equation
   19,003,958 : 25,819,215 = 25,819,215 : x
2. Step 2: Convert to fraction form
   19,003,958/25,819,215 = 25,819,215/x
3. Step 3: Cross multiply
   19,003,958x = 25,819,215 × 25,819,215
4. Step 4: Simplify right side
   19,003,958x = 666,631,863,216,225
5. Step 5: Solve for x
   x = 666,631,863,216,225/19,003,958
6. Step 6: Final answer
   x = 35,078,580.12