Finding the Third Proportional to 3,785,980 and 8,210,744

Step by Step Solution

1. Step 1: Write the proportion equation
   3,785,980 : 8,210,744 = 8,210,744 : x
2. Step 2: Convert to fraction form
   3,785,980/8,210,744 = 8,210,744/x
3. Step 3: Cross multiply
   3,785,980x = 8,210,744 × 8,210,744
4. Step 4: Simplify right side
   3,785,980x = 67,416,317,033,536
5. Step 5: Solve for x
   x = 67,416,317,033,536/3,785,980
6. Step 6: Final answer
   x = 17,806,833.91