Finding the Third Proportional to 745,321 and 1,608,659

Step by Step Solution

1. Step 1: Write the proportion equation
   745,321 : 1,608,659 = 1,608,659 : x
2. Step 2: Convert to fraction form
   745,321/1,608,659 = 1,608,659/x
3. Step 3: Cross multiply
   745,321x = 1,608,659 × 1,608,659
4. Step 4: Simplify right side
   745,321x = 2,587,783,778,281
5. Step 5: Solve for x
   x = 2,587,783,778,281/745,321
6. Step 6: Final answer
   x = 3,472,039.27