Finding the Third Proportional to 745,078.50 and 1,619,797.50

Step by Step Solution

1. Step 1: Write the proportion equation
   745,078.50 : 1,619,797.50 = 1,619,797.50 : x
2. Step 2: Convert to fraction form
   745,078.50/1,619,797.50 = 1,619,797.50/x
3. Step 3: Cross multiply
   745,078.50x = 1,619,797.50 × 1,619,797.50
4. Step 4: Simplify right side
   745,078.50x = 2,623,743,941,006.25
5. Step 5: Solve for x
   x = 2,623,743,941,006.25/745,078.50
6. Step 6: Final answer
   x = 3,521,432.90