Finding the Third Proportional to 2,219,688 and 4,776,255

Step by Step Solution

1. Step 1: Write the proportion equation
   2,219,688 : 4,776,255 = 4,776,255 : x
2. Step 2: Convert to fraction form
   2,219,688/4,776,255 = 4,776,255/x
3. Step 3: Cross multiply
   2,219,688x = 4,776,255 × 4,776,255
4. Step 4: Simplify right side
   2,219,688x = 22,812,611,825,025
5. Step 5: Solve for x
   x = 22,812,611,825,025/2,219,688
6. Step 6: Final answer
   x = 10,277,395.66