Finding the Third Proportional to 1,368,280 and 2,146,415

Step by Step Solution

1. Step 1: Write the proportion equation
   1,368,280 : 2,146,415 = 2,146,415 : x
2. Step 2: Convert to fraction form
   1,368,280/2,146,415 = 2,146,415/x
3. Step 3: Cross multiply
   1,368,280x = 2,146,415 × 2,146,415
4. Step 4: Simplify right side
   1,368,280x = 4,607,097,352,225
5. Step 5: Solve for x
   x = 4,607,097,352,225/1,368,280
6. Step 6: Final answer
   x = 3,367,072.06