Finding the Third Proportional to 2,210,288 and 4,885,123

Step by Step Solution

1. Step 1: Write the proportion equation
   2,210,288 : 4,885,123 = 4,885,123 : x
2. Step 2: Convert to fraction form
   2,210,288/4,885,123 = 4,885,123/x
3. Step 3: Cross multiply
   2,210,288x = 4,885,123 × 4,885,123
4. Step 4: Simplify right side
   2,210,288x = 23,864,426,725,129
5. Step 5: Solve for x
   x = 23,864,426,725,129/2,210,288
6. Step 6: Final answer
   x = 10,796,976.11