Finding the Third Proportional to 11,861,446.50 and 25,897,863

Step by Step Solution

1. Step 1: Write the proportion equation
   11,861,446.50 : 25,897,863 = 25,897,863 : x
2. Step 2: Convert to fraction form
   11,861,446.50/25,897,863 = 25,897,863/x
3. Step 3: Cross multiply
   11,861,446.50x = 25,897,863 × 25,897,863
4. Step 4: Simplify right side
   11,861,446.50x = 670,699,307,966,769
5. Step 5: Solve for x
   x = 670,699,307,966,769/11,861,446.50
6. Step 6: Final answer
   x = 56,544,478.62