Finding the Third Proportional to 11,841,390 and 25,509,978

Step by Step Solution

1. Step 1: Write the proportion equation
   11,841,390 : 25,509,978 = 25,509,978 : x
2. Step 2: Convert to fraction form
   11,841,390/25,509,978 = 25,509,978/x
3. Step 3: Cross multiply
   11,841,390x = 25,509,978 × 25,509,978
4. Step 4: Simplify right side
   11,841,390x = 650,758,977,560,484
5. Step 5: Solve for x
   x = 650,758,977,560,484/11,841,390
6. Step 6: Final answer
   x = 54,956,299.69