Finding the Third Proportional to 11,817,560 and 25,705,662

Step by Step Solution

1. Step 1: Write the proportion equation
   11,817,560 : 25,705,662 = 25,705,662 : x
2. Step 2: Convert to fraction form
   11,817,560/25,705,662 = 25,705,662/x
3. Step 3: Cross multiply
   11,817,560x = 25,705,662 × 25,705,662
4. Step 4: Simplify right side
   11,817,560x = 660,781,058,858,244
5. Step 5: Solve for x
   x = 660,781,058,858,244/11,817,560
6. Step 6: Final answer
   x = 55,915,185.44