Finding the Third Proportional to 1,222,866 and 2,500,164

Step by Step Solution

1. Step 1: Write the proportion equation
   1,222,866 : 2,500,164 = 2,500,164 : x
2. Step 2: Convert to fraction form
   1,222,866/2,500,164 = 2,500,164/x
3. Step 3: Cross multiply
   1,222,866x = 2,500,164 × 2,500,164
4. Step 4: Simplify right side
   1,222,866x = 6,250,820,026,896
5. Step 5: Solve for x
   x = 6,250,820,026,896/1,222,866
6. Step 6: Final answer
   x = 5,111,614.87