Finding the Third Proportional to 2,563,130 and 5,457,548

Step by Step Solution

1. Step 1: Write the proportion equation
   2,563,130 : 5,457,548 = 5,457,548 : x
2. Step 2: Convert to fraction form
   2,563,130/5,457,548 = 5,457,548/x
3. Step 3: Cross multiply
   2,563,130x = 5,457,548 × 5,457,548
4. Step 4: Simplify right side
   2,563,130x = 29,784,830,172,304
5. Step 5: Solve for x
   x = 29,784,830,172,304/2,563,130
6. Step 6: Final answer
   x = 11,620,491.42