Finding the Third Proportional to 1,260,688 and 1,886,576

Step by Step Solution

1. Step 1: Write the proportion equation
   1,260,688 : 1,886,576 = 1,886,576 : x
2. Step 2: Convert to fraction form
   1,260,688/1,886,576 = 1,886,576/x
3. Step 3: Cross multiply
   1,260,688x = 1,886,576 × 1,886,576
4. Step 4: Simplify right side
   1,260,688x = 3,559,169,003,776
5. Step 5: Solve for x
   x = 3,559,169,003,776/1,260,688
6. Step 6: Final answer
   x = 2,823,195.75