Finding the Third Proportional to 2,545,772 and 5,539,873

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545,772 : 5,539,873 = 5,539,873 : x
2. Step 2: Convert to fraction form
   2,545,772/5,539,873 = 5,539,873/x
3. Step 3: Cross multiply
   2,545,772x = 5,539,873 × 5,539,873
4. Step 4: Simplify right side
   2,545,772x = 30,690,192,856,129
5. Step 5: Solve for x
   x = 30,690,192,856,129/2,545,772
6. Step 6: Final answer
   x = 12,055,358.00