Finding the Third Proportional to 2,238,480 and 4,886,739

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238,480 : 4,886,739 = 4,886,739 : x
2. Step 2: Convert to fraction form
   2,238,480/4,886,739 = 4,886,739/x
3. Step 3: Cross multiply
   2,238,480x = 4,886,739 × 4,886,739
4. Step 4: Simplify right side
   2,238,480x = 23,880,218,054,121
5. Step 5: Solve for x
   x = 23,880,218,054,121/2,238,480
6. Step 6: Final answer
   x = 10,668,050.67