Finding the Third Proportional to 11,819,840.50 and 25,881,680

Step by Step Solution

1. Step 1: Write the proportion equation
   11,819,840.50 : 25,881,680 = 25,881,680 : x
2. Step 2: Convert to fraction form
   11,819,840.50/25,881,680 = 25,881,680/x
3. Step 3: Cross multiply
   11,819,840.50x = 25,881,680 × 25,881,680
4. Step 4: Simplify right side
   11,819,840.50x = 669,861,359,622,400
5. Step 5: Solve for x
   x = 669,861,359,622,400/11,819,840.50
6. Step 6: Final answer
   x = 56,672,622.58