Finding the Third Proportional to 1,248,249 and 2,688,772

Step by Step Solution

1. Step 1: Write the proportion equation
   1,248,249 : 2,688,772 = 2,688,772 : x
2. Step 2: Convert to fraction form
   1,248,249/2,688,772 = 2,688,772/x
3. Step 3: Cross multiply
   1,248,249x = 2,688,772 × 2,688,772
4. Step 4: Simplify right side
   1,248,249x = 7,229,494,867,984
5. Step 5: Solve for x
   x = 7,229,494,867,984/1,248,249
6. Step 6: Final answer
   x = 5,791,708.92