Finding the Third Proportional to 11,861,676 and 25,898,679

Step by Step Solution

1. Step 1: Write the proportion equation
   11,861,676 : 25,898,679 = 25,898,679 : x
2. Step 2: Convert to fraction form
   11,861,676/25,898,679 = 25,898,679/x
3. Step 3: Cross multiply
   11,861,676x = 25,898,679 × 25,898,679
4. Step 4: Simplify right side
   11,861,676x = 670,741,573,945,041
5. Step 5: Solve for x
   x = 670,741,573,945,041/11,861,676
6. Step 6: Final answer
   x = 56,546,947.83