Finding the Third Proportional to 1,378,516 and 2,059,512

Step by Step Solution

1. Step 1: Write the proportion equation
   1,378,516 : 2,059,512 = 2,059,512 : x
2. Step 2: Convert to fraction form
   1,378,516/2,059,512 = 2,059,512/x
3. Step 3: Cross multiply
   1,378,516x = 2,059,512 × 2,059,512
4. Step 4: Simplify right side
   1,378,516x = 4,241,589,678,144
5. Step 5: Solve for x
   x = 4,241,589,678,144/1,378,516
6. Step 6: Final answer
   x = 3,076,924.52