Finding the Third Proportional to 1,239,690 and 2,715,252

Step by Step Solution

1. Step 1: Write the proportion equation
   1,239,690 : 2,715,252 = 2,715,252 : x
2. Step 2: Convert to fraction form
   1,239,690/2,715,252 = 2,715,252/x
3. Step 3: Cross multiply
   1,239,690x = 2,715,252 × 2,715,252
4. Step 4: Simplify right side
   1,239,690x = 7,372,593,423,504
5. Step 5: Solve for x
   x = 7,372,593,423,504/1,239,690
6. Step 6: Final answer
   x = 5,947,126.64