Finding the Third Proportional to 1,248,239 and 2,688,752

Step by Step Solution

1. Step 1: Write the proportion equation
   1,248,239 : 2,688,752 = 2,688,752 : x
2. Step 2: Convert to fraction form
   1,248,239/2,688,752 = 2,688,752/x
3. Step 3: Cross multiply
   1,248,239x = 2,688,752 × 2,688,752
4. Step 4: Simplify right side
   1,248,239x = 7,229,387,317,504
5. Step 5: Solve for x
   x = 7,229,387,317,504/1,248,239
6. Step 6: Final answer
   x = 5,791,669.16