Finding the Third Proportional to 11,819,839.50 and 25,881,678

Step by Step Solution

1. Step 1: Write the proportion equation
   11,819,839.50 : 25,881,678 = 25,881,678 : x
2. Step 2: Convert to fraction form
   11,819,839.50/25,881,678 = 25,881,678/x
3. Step 3: Cross multiply
   11,819,839.50x = 25,881,678 × 25,881,678
4. Step 4: Simplify right side
   11,819,839.50x = 669,861,256,095,684
5. Step 5: Solve for x
   x = 669,861,256,095,684/11,819,839.50
6. Step 6: Final answer
   x = 56,672,618.62