Finding the Third Proportional to 7,959,240 and 12,623,398

Step by Step Solution

1. Step 1: Write the proportion equation
   7,959,240 : 12,623,398 = 12,623,398 : x
2. Step 2: Convert to fraction form
   7,959,240/12,623,398 = 12,623,398/x
3. Step 3: Cross multiply
   7,959,240x = 12,623,398 × 12,623,398
4. Step 4: Simplify right side
   7,959,240x = 159,350,177,066,404
5. Step 5: Solve for x
   x = 159,350,177,066,404/7,959,240
6. Step 6: Final answer
   x = 20,020,778.00