Finding the Third Proportional to 800,642 and 1,758,748

Step by Step Solution

1. Step 1: Write the proportion equation
   800,642 : 1,758,748 = 1,758,748 : x
2. Step 2: Convert to fraction form
   800,642/1,758,748 = 1,758,748/x
3. Step 3: Cross multiply
   800,642x = 1,758,748 × 1,758,748
4. Step 4: Simplify right side
   800,642x = 3,093,194,527,504
5. Step 5: Solve for x
   x = 3,093,194,527,504/800,642
6. Step 6: Final answer
   x = 3,863,392.79