Finding the Third Proportional to 11,817,570 and 25,705,682

Step by Step Solution

1. Step 1: Write the proportion equation
   11,817,570 : 25,705,682 = 25,705,682 : x
2. Step 2: Convert to fraction form
   11,817,570/25,705,682 = 25,705,682/x
3. Step 3: Cross multiply
   11,817,570x = 25,705,682 × 25,705,682
4. Step 4: Simplify right side
   11,817,570x = 660,782,087,085,124
5. Step 5: Solve for x
   x = 660,782,087,085,124/11,817,570
6. Step 6: Final answer
   x = 55,915,225.13