Finding the Third Proportional to 1,422,866 and 2,186,781

Step by Step Solution

1. Step 1: Write the proportion equation
   1,422,866 : 2,186,781 = 2,186,781 : x
2. Step 2: Convert to fraction form
   1,422,866/2,186,781 = 2,186,781/x
3. Step 3: Cross multiply
   1,422,866x = 2,186,781 × 2,186,781
4. Step 4: Simplify right side
   1,422,866x = 4,782,011,141,961
5. Step 5: Solve for x
   x = 4,782,011,141,961/1,422,866
6. Step 6: Final answer
   x = 3,360,830.28