Finding the Third Proportional to 11,861,448 and 25,897,867.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,861,448 : 25,897,867.50 = 25,897,867.50 : x
2. Step 2: Convert to fraction form
   11,861,448/25,897,867.50 = 25,897,867.50/x
3. Step 3: Cross multiply
   11,861,448x = 25,897,867.50 × 25,897,867.50
4. Step 4: Simplify right side
   11,861,448x = 670,699,541,047,556.25
5. Step 5: Solve for x
   x = 670,699,541,047,556.25/11,861,448
6. Step 6: Final answer
   x = 56,544,491.12