Finding the Third Proportional to 12,355,809.61 and 25,734,292.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,355,809.61 : 25,734,292.31 = 25,734,292.31 : x
2. Step 2: Convert to fraction form
   12,355,809.61/25,734,292.31 = 25,734,292.31/x
3. Step 3: Cross multiply
   12,355,809.61x = 25,734,292.31 × 25,734,292.31
4. Step 4: Simplify right side
   12,355,809.61x = 662,253,800,825,196.62
5. Step 5: Solve for x
   x = 662,253,800,825,196.62/12,355,809.61
6. Step 6: Final answer
   x = 53,598,576.04