Finding the Third Proportional to 1,778,398 and 3,742,640

Step by Step Solution

1. Step 1: Write the proportion equation
   1,778,398 : 3,742,640 = 3,742,640 : x
2. Step 2: Convert to fraction form
   1,778,398/3,742,640 = 3,742,640/x
3. Step 3: Cross multiply
   1,778,398x = 3,742,640 × 3,742,640
4. Step 4: Simplify right side
   1,778,398x = 14,007,354,169,600
5. Step 5: Solve for x
   x = 14,007,354,169,600/1,778,398
6. Step 6: Final answer
   x = 7,876,388.85