Finding the Third Proportional to 1,340,280 and 2,890,512

Step by Step Solution

1. Step 1: Write the proportion equation
   1,340,280 : 2,890,512 = 2,890,512 : x
2. Step 2: Convert to fraction form
   1,340,280/2,890,512 = 2,890,512/x
3. Step 3: Cross multiply
   1,340,280x = 2,890,512 × 2,890,512
4. Step 4: Simplify right side
   1,340,280x = 8,355,059,622,144
5. Step 5: Solve for x
   x = 8,355,059,622,144/1,340,280
6. Step 6: Final answer
   x = 6,233,816.53