Finding the Third Proportional to 1,613,220 and 3,510,931

Step by Step Solution

1. Step 1: Write the proportion equation
   1,613,220 : 3,510,931 = 3,510,931 : x
2. Step 2: Convert to fraction form
   1,613,220/3,510,931 = 3,510,931/x
3. Step 3: Cross multiply
   1,613,220x = 3,510,931 × 3,510,931
4. Step 4: Simplify right side
   1,613,220x = 12,326,636,486,761
5. Step 5: Solve for x
   x = 12,326,636,486,761/1,613,220
6. Step 6: Final answer
   x = 7,641,013.93