Finding the Third Proportional to 1,248,248 and 2,688,768

Step by Step Solution

1. Step 1: Write the proportion equation
   1,248,248 : 2,688,768 = 2,688,768 : x
2. Step 2: Convert to fraction form
   1,248,248/2,688,768 = 2,688,768/x
3. Step 3: Cross multiply
   1,248,248x = 2,688,768 × 2,688,768
4. Step 4: Simplify right side
   1,248,248x = 7,229,473,357,824
5. Step 5: Solve for x
   x = 7,229,473,357,824/1,248,248
6. Step 6: Final answer
   x = 5,791,696.33