Finding the Third Proportional to 1,298,800 and 2,790,752

Step by Step Solution

1. Step 1: Write the proportion equation
   1,298,800 : 2,790,752 = 2,790,752 : x
2. Step 2: Convert to fraction form
   1,298,800/2,790,752 = 2,790,752/x
3. Step 3: Cross multiply
   1,298,800x = 2,790,752 × 2,790,752
4. Step 4: Simplify right side
   1,298,800x = 7,788,296,725,504
5. Step 5: Solve for x
   x = 7,788,296,725,504/1,298,800
6. Step 6: Final answer
   x = 5,996,532.74