Finding the Third Proportional to 1,742,678 and 2,665,281

Step by Step Solution

1. Step 1: Write the proportion equation
   1,742,678 : 2,665,281 = 2,665,281 : x
2. Step 2: Convert to fraction form
   1,742,678/2,665,281 = 2,665,281/x
3. Step 3: Cross multiply
   1,742,678x = 2,665,281 × 2,665,281
4. Step 4: Simplify right side
   1,742,678x = 7,103,722,808,961
5. Step 5: Solve for x
   x = 7,103,722,808,961/1,742,678
6. Step 6: Final answer
   x = 4,076,325.52