Finding the Third Proportional to 745,432 and 1,608,890

Step by Step Solution

1. Step 1: Write the proportion equation
   745,432 : 1,608,890 = 1,608,890 : x
2. Step 2: Convert to fraction form
   745,432/1,608,890 = 1,608,890/x
3. Step 3: Cross multiply
   745,432x = 1,608,890 × 1,608,890
4. Step 4: Simplify right side
   745,432x = 2,588,527,032,100
5. Step 5: Solve for x
   x = 2,588,527,032,100/745,432
6. Step 6: Final answer
   x = 3,472,519.33