Finding the Third Proportional to 3,610,620 and 7,785,486

Step by Step Solution

1. Step 1: Write the proportion equation
   3,610,620 : 7,785,486 = 7,785,486 : x
2. Step 2: Convert to fraction form
   3,610,620/7,785,486 = 7,785,486/x
3. Step 3: Cross multiply
   3,610,620x = 7,785,486 × 7,785,486
4. Step 4: Simplify right side
   3,610,620x = 60,613,792,256,196
5. Step 5: Solve for x
   x = 60,613,792,256,196/3,610,620
6. Step 6: Final answer
   x = 16,787,640.97