Finding the Third Proportional to 1,447,672 and 3,119,720

Step by Step Solution

1. Step 1: Write the proportion equation
   1,447,672 : 3,119,720 = 3,119,720 : x
2. Step 2: Convert to fraction form
   1,447,672/3,119,720 = 3,119,720/x
3. Step 3: Cross multiply
   1,447,672x = 3,119,720 × 3,119,720
4. Step 4: Simplify right side
   1,447,672x = 9,732,652,878,400
5. Step 5: Solve for x
   x = 9,732,652,878,400/1,447,672
6. Step 6: Final answer
   x = 6,722,968.24