Finding the Third Proportional to 1,248,592 and 2,686,560

Step by Step Solution

1. Step 1: Write the proportion equation
   1,248,592 : 2,686,560 = 2,686,560 : x
2. Step 2: Convert to fraction form
   1,248,592/2,686,560 = 2,686,560/x
3. Step 3: Cross multiply
   1,248,592x = 2,686,560 × 2,686,560
4. Step 4: Simplify right side
   1,248,592x = 7,217,604,633,600
5. Step 5: Solve for x
   x = 7,217,604,633,600/1,248,592
6. Step 6: Final answer
   x = 5,780,594.97