Finding the Third Proportional to 3,785,976 and 8,210,736

Step by Step Solution

1. Step 1: Write the proportion equation
   3,785,976 : 8,210,736 = 8,210,736 : x
2. Step 2: Convert to fraction form
   3,785,976/8,210,736 = 8,210,736/x
3. Step 3: Cross multiply
   3,785,976x = 8,210,736 × 8,210,736
4. Step 4: Simplify right side
   3,785,976x = 67,416,185,661,696
5. Step 5: Solve for x
   x = 67,416,185,661,696/3,785,976
6. Step 6: Final answer
   x = 17,806,818.02