Finding the Third Proportional to 1,369,904 and 2,187,696

Step by Step Solution

1. Step 1: Write the proportion equation
   1,369,904 : 2,187,696 = 2,187,696 : x
2. Step 2: Convert to fraction form
   1,369,904/2,187,696 = 2,187,696/x
3. Step 3: Cross multiply
   1,369,904x = 2,187,696 × 2,187,696
4. Step 4: Simplify right side
   1,369,904x = 4,786,013,788,416
5. Step 5: Solve for x
   x = 4,786,013,788,416/1,369,904
6. Step 6: Final answer
   x = 3,493,685.53