Finding the Third Proportional to 1,246,280 and 1,867,356

Step by Step Solution

1. Step 1: Write the proportion equation
   1,246,280 : 1,867,356 = 1,867,356 : x
2. Step 2: Convert to fraction form
   1,246,280/1,867,356 = 1,867,356/x
3. Step 3: Cross multiply
   1,246,280x = 1,867,356 × 1,867,356
4. Step 4: Simplify right side
   1,246,280x = 3,487,018,430,736
5. Step 5: Solve for x
   x = 3,487,018,430,736/1,246,280
6. Step 6: Final answer
   x = 2,797,941.42