Finding the Third Proportional to 1,243,944 and 2,620,719

Step by Step Solution

1. Step 1: Write the proportion equation
   1,243,944 : 2,620,719 = 2,620,719 : x
2. Step 2: Convert to fraction form
   1,243,944/2,620,719 = 2,620,719/x
3. Step 3: Cross multiply
   1,243,944x = 2,620,719 × 2,620,719
4. Step 4: Simplify right side
   1,243,944x = 6,868,168,076,961
5. Step 5: Solve for x
   x = 6,868,168,076,961/1,243,944
6. Step 6: Final answer
   x = 5,521,283.98