Finding the Third Proportional to 1,404,664 and 2,103,148

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404,664 : 2,103,148 = 2,103,148 : x
2. Step 2: Convert to fraction form
   1,404,664/2,103,148 = 2,103,148/x
3. Step 3: Cross multiply
   1,404,664x = 2,103,148 × 2,103,148
4. Step 4: Simplify right side
   1,404,664x = 4,423,231,509,904
5. Step 5: Solve for x
   x = 4,423,231,509,904/1,404,664
6. Step 6: Final answer
   x = 3,148,960.54