Finding the Third Proportional to 11,819,843 and 25,881,684

Step by Step Solution

1. Step 1: Write the proportion equation
   11,819,843 : 25,881,684 = 25,881,684 : x
2. Step 2: Convert to fraction form
   11,819,843/25,881,684 = 25,881,684/x
3. Step 3: Cross multiply
   11,819,843x = 25,881,684 × 25,881,684
4. Step 4: Simplify right side
   11,819,843x = 669,861,566,675,856
5. Step 5: Solve for x
   x = 669,861,566,675,856/11,819,843
6. Step 6: Final answer
   x = 56,672,628.11