Finding the Third Proportional to 2,116,670 and 3,179,776

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,670 : 3,179,776 = 3,179,776 : x
2. Step 2: Convert to fraction form
   2,116,670/3,179,776 = 3,179,776/x
3. Step 3: Cross multiply
   2,116,670x = 3,179,776 × 3,179,776
4. Step 4: Simplify right side
   2,116,670x = 10,110,975,410,176
5. Step 5: Solve for x
   x = 10,110,975,410,176/2,116,670
6. Step 6: Final answer
   x = 4,776,831.25