Finding the Third Proportional to 745,876 and 1,609,688

Step by Step Solution

1. Step 1: Write the proportion equation
   745,876 : 1,609,688 = 1,609,688 : x
2. Step 2: Convert to fraction form
   745,876/1,609,688 = 1,609,688/x
3. Step 3: Cross multiply
   745,876x = 1,609,688 × 1,609,688
4. Step 4: Simplify right side
   745,876x = 2,591,095,457,344
5. Step 5: Solve for x
   x = 2,591,095,457,344/745,876
6. Step 6: Final answer
   x = 3,473,895.74