Finding the Third Proportional to 11,837,869 and 25,818,086

Step by Step Solution

1. Step 1: Write the proportion equation
   11,837,869 : 25,818,086 = 25,818,086 : x
2. Step 2: Convert to fraction form
   11,837,869/25,818,086 = 25,818,086/x
3. Step 3: Cross multiply
   11,837,869x = 25,818,086 × 25,818,086
4. Step 4: Simplify right side
   11,837,869x = 666,573,564,703,396
5. Step 5: Solve for x
   x = 666,573,564,703,396/11,837,869
6. Step 6: Final answer
   x = 56,308,577.56