Finding the Third Proportional to 1,363,458 and 2,018,939

Step by Step Solution

1. Step 1: Write the proportion equation
   1,363,458 : 2,018,939 = 2,018,939 : x
2. Step 2: Convert to fraction form
   1,363,458/2,018,939 = 2,018,939/x
3. Step 3: Cross multiply
   1,363,458x = 2,018,939 × 2,018,939
4. Step 4: Simplify right side
   1,363,458x = 4,076,114,685,721
5. Step 5: Solve for x
   x = 4,076,114,685,721/1,363,458
6. Step 6: Final answer
   x = 2,989,541.80