Finding the Third Proportional to 11,861,667 and 25,898,670

Step by Step Solution

1. Step 1: Write the proportion equation
   11,861,667 : 25,898,670 = 25,898,670 : x
2. Step 2: Convert to fraction form
   11,861,667/25,898,670 = 25,898,670/x
3. Step 3: Cross multiply
   11,861,667x = 25,898,670 × 25,898,670
4. Step 4: Simplify right side
   11,861,667x = 670,741,107,768,900
5. Step 5: Solve for x
   x = 670,741,107,768,900/11,861,667
6. Step 6: Final answer
   x = 56,546,951.43