Finding the Third Proportional to 2,624,402 and 5,639,548

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624,402 : 5,639,548 = 5,639,548 : x
2. Step 2: Convert to fraction form
   2,624,402/5,639,548 = 5,639,548/x
3. Step 3: Cross multiply
   2,624,402x = 5,639,548 × 5,639,548
4. Step 4: Simplify right side
   2,624,402x = 31,804,501,644,304
5. Step 5: Solve for x
   x = 31,804,501,644,304/2,624,402
6. Step 6: Final answer
   x = 12,118,761.40