Finding the Third Proportional to 1,747,336 and 2,778,380

Step by Step Solution

1. Step 1: Write the proportion equation
   1,747,336 : 2,778,380 = 2,778,380 : x
2. Step 2: Convert to fraction form
   1,747,336/2,778,380 = 2,778,380/x
3. Step 3: Cross multiply
   1,747,336x = 2,778,380 × 2,778,380
4. Step 4: Simplify right side
   1,747,336x = 7,719,395,424,400
5. Step 5: Solve for x
   x = 7,719,395,424,400/1,747,336
6. Step 6: Final answer
   x = 4,417,808.27