Finding the Third Proportional to 5,681,949 and 12,426,780

Step by Step Solution

1. Step 1: Write the proportion equation
   5,681,949 : 12,426,780 = 12,426,780 : x
2. Step 2: Convert to fraction form
   5,681,949/12,426,780 = 12,426,780/x
3. Step 3: Cross multiply
   5,681,949x = 12,426,780 × 12,426,780
4. Step 4: Simplify right side
   5,681,949x = 154,424,861,168,400
5. Step 5: Solve for x
   x = 154,424,861,168,400/5,681,949
6. Step 6: Final answer
   x = 27,178,149.82