Finding the Third Proportional to 722,919.94 and 1,587,736.69

Step by Step Solution

1. Step 1: Write the proportion equation
   722,919.94 : 1,587,736.69 = 1,587,736.69 : x
2. Step 2: Convert to fraction form
   722,919.94/1,587,736.69 = 1,587,736.69/x
3. Step 3: Cross multiply
   722,919.94x = 1,587,736.69 × 1,587,736.69
4. Step 4: Simplify right side
   722,919.94x = 2,520,907,788,833.47
5. Step 5: Solve for x
   x = 2,520,907,788,833.47/722,919.94
6. Step 6: Final answer
   x = 3,487,118.92