Finding the Third Proportional to 4,923,378 and 7,910,550

Step by Step Solution

1. Step 1: Write the proportion equation
   4,923,378 : 7,910,550 = 7,910,550 : x
2. Step 2: Convert to fraction form
   4,923,378/7,910,550 = 7,910,550/x
3. Step 3: Cross multiply
   4,923,378x = 7,910,550 × 7,910,550
4. Step 4: Simplify right side
   4,923,378x = 62,576,801,302,500
5. Step 5: Solve for x
   x = 62,576,801,302,500/4,923,378
6. Step 6: Final answer
   x = 12,710,135.46