Finding the Third Proportional to 1,316,236 and 1,990,554

Step by Step Solution

1. Step 1: Write the proportion equation
   1,316,236 : 1,990,554 = 1,990,554 : x
2. Step 2: Convert to fraction form
   1,316,236/1,990,554 = 1,990,554/x
3. Step 3: Cross multiply
   1,316,236x = 1,990,554 × 1,990,554
4. Step 4: Simplify right side
   1,316,236x = 3,962,305,226,916
5. Step 5: Solve for x
   x = 3,962,305,226,916/1,316,236
6. Step 6: Final answer
   x = 3,010,330.39