Finding the Third Proportional to 2,460,664 and 5,405,276

Step by Step Solution

1. Step 1: Write the proportion equation
   2,460,664 : 5,405,276 = 5,405,276 : x
2. Step 2: Convert to fraction form
   2,460,664/5,405,276 = 5,405,276/x
3. Step 3: Cross multiply
   2,460,664x = 5,405,276 × 5,405,276
4. Step 4: Simplify right side
   2,460,664x = 29,217,008,636,176
5. Step 5: Solve for x
   x = 29,217,008,636,176/2,460,664
6. Step 6: Final answer
   x = 11,873,627.86