Finding the Third Proportional to 2,430,378 and 5,234,706

Step by Step Solution

1. Step 1: Write the proportion equation
   2,430,378 : 5,234,706 = 5,234,706 : x
2. Step 2: Convert to fraction form
   2,430,378/5,234,706 = 5,234,706/x
3. Step 3: Cross multiply
   2,430,378x = 5,234,706 × 5,234,706
4. Step 4: Simplify right side
   2,430,378x = 27,402,146,906,436
5. Step 5: Solve for x
   x = 27,402,146,906,436/2,430,378
6. Step 6: Final answer
   x = 11,274,849.80