Finding the Third Proportional to 4,123,749 and 8,886,144

Step by Step Solution

1. Step 1: Write the proportion equation
   4,123,749 : 8,886,144 = 8,886,144 : x
2. Step 2: Convert to fraction form
   4,123,749/8,886,144 = 8,886,144/x
3. Step 3: Cross multiply
   4,123,749x = 8,886,144 × 8,886,144
4. Step 4: Simplify right side
   4,123,749x = 78,963,555,188,736
5. Step 5: Solve for x
   x = 78,963,555,188,736/4,123,749
6. Step 6: Final answer
   x = 19,148,487.26