Finding the Third Proportional to 5,355,456 and 11,773,662

Step by Step Solution

1. Step 1: Write the proportion equation
   5,355,456 : 11,773,662 = 11,773,662 : x
2. Step 2: Convert to fraction form
   5,355,456/11,773,662 = 11,773,662/x
3. Step 3: Cross multiply
   5,355,456x = 11,773,662 × 11,773,662
4. Step 4: Simplify right side
   5,355,456x = 138,619,116,890,244
5. Step 5: Solve for x
   x = 138,619,116,890,244/5,355,456
6. Step 6: Final answer
   x = 25,883,718.75