Finding the Third Proportional to 1,277,138 and 1,859,547

Step by Step Solution

1. Step 1: Write the proportion equation
   1,277,138 : 1,859,547 = 1,859,547 : x
2. Step 2: Convert to fraction form
   1,277,138/1,859,547 = 1,859,547/x
3. Step 3: Cross multiply
   1,277,138x = 1,859,547 × 1,859,547
4. Step 4: Simplify right side
   1,277,138x = 3,457,915,045,209
5. Step 5: Solve for x
   x = 3,457,915,045,209/1,277,138
6. Step 6: Final answer
   x = 2,707,550.04