Finding the Third Proportional to 11,861,412 and 25,897,819

Step by Step Solution

1. Step 1: Write the proportion equation
   11,861,412 : 25,897,819 = 25,897,819 : x
2. Step 2: Convert to fraction form
   11,861,412/25,897,819 = 25,897,819/x
3. Step 3: Cross multiply
   11,861,412x = 25,897,819 × 25,897,819
4. Step 4: Simplify right side
   11,861,412x = 670,697,028,956,761
5. Step 5: Solve for x
   x = 670,697,028,956,761/11,861,412
6. Step 6: Final answer
   x = 56,544,450.94