Finding the Third Proportional to 1,378,512 and 2,059,506

Step by Step Solution

1. Step 1: Write the proportion equation
   1,378,512 : 2,059,506 = 2,059,506 : x
2. Step 2: Convert to fraction form
   1,378,512/2,059,506 = 2,059,506/x
3. Step 3: Cross multiply
   1,378,512x = 2,059,506 × 2,059,506
4. Step 4: Simplify right side
   1,378,512x = 4,241,564,964,036
5. Step 5: Solve for x
   x = 4,241,564,964,036/1,378,512
6. Step 6: Final answer
   x = 3,076,915.52