Finding the Third Proportional to 5,818,954.50 and 12,645,144

Step by Step Solution

1. Step 1: Write the proportion equation
   5,818,954.50 : 12,645,144 = 12,645,144 : x
2. Step 2: Convert to fraction form
   5,818,954.50/12,645,144 = 12,645,144/x
3. Step 3: Cross multiply
   5,818,954.50x = 12,645,144 × 12,645,144
4. Step 4: Simplify right side
   5,818,954.50x = 159,899,666,780,736
5. Step 5: Solve for x
   x = 159,899,666,780,736/5,818,954.50
6. Step 6: Final answer
   x = 27,479,105.87