Finding the Third Proportional to 2,113,280 and 4,563,456

Step by Step Solution

1. Step 1: Write the proportion equation
   2,113,280 : 4,563,456 = 4,563,456 : x
2. Step 2: Convert to fraction form
   2,113,280/4,563,456 = 4,563,456/x
3. Step 3: Cross multiply
   2,113,280x = 4,563,456 × 4,563,456
4. Step 4: Simplify right side
   2,113,280x = 20,825,130,663,936
5. Step 5: Solve for x
   x = 20,825,130,663,936/2,113,280
6. Step 6: Final answer
   x = 9,854,411.47