Finding the Third Proportional to 1,277,172 and 1,904,688

Step by Step Solution

1. Step 1: Write the proportion equation
   1,277,172 : 1,904,688 = 1,904,688 : x
2. Step 2: Convert to fraction form
   1,277,172/1,904,688 = 1,904,688/x
3. Step 3: Cross multiply
   1,277,172x = 1,904,688 × 1,904,688
4. Step 4: Simplify right side
   1,277,172x = 3,627,836,377,344
5. Step 5: Solve for x
   x = 3,627,836,377,344/1,277,172
6. Step 6: Final answer
   x = 2,840,522.95