Finding the Third Proportional to 4,923,560 and 7,910,790

Step by Step Solution

1. Step 1: Write the proportion equation
   4,923,560 : 7,910,790 = 7,910,790 : x
2. Step 2: Convert to fraction form
   4,923,560/7,910,790 = 7,910,790/x
3. Step 3: Cross multiply
   4,923,560x = 7,910,790 × 7,910,790
4. Step 4: Simplify right side
   4,923,560x = 62,580,598,424,100
5. Step 5: Solve for x
   x = 62,580,598,424,100/4,923,560
6. Step 6: Final answer
   x = 12,710,436.84