Finding the Third Proportional to 745,872 and 1,609,680

Step by Step Solution

1. Step 1: Write the proportion equation
   745,872 : 1,609,680 = 1,609,680 : x
2. Step 2: Convert to fraction form
   745,872/1,609,680 = 1,609,680/x
3. Step 3: Cross multiply
   745,872x = 1,609,680 × 1,609,680
4. Step 4: Simplify right side
   745,872x = 2,591,069,702,400
5. Step 5: Solve for x
   x = 2,591,069,702,400/745,872
6. Step 6: Final answer
   x = 3,473,879.84