Finding the Third Proportional to 1,767,976 and 3,870,320

Step by Step Solution

1. Step 1: Write the proportion equation
   1,767,976 : 3,870,320 = 3,870,320 : x
2. Step 2: Convert to fraction form
   1,767,976/3,870,320 = 3,870,320/x
3. Step 3: Cross multiply
   1,767,976x = 3,870,320 × 3,870,320
4. Step 4: Simplify right side
   1,767,976x = 14,979,376,902,400
5. Step 5: Solve for x
   x = 14,979,376,902,400/1,767,976
6. Step 6: Final answer
   x = 8,472,613.26