Finding the Third Proportional to 664,632 and 1,441,440

Step by Step Solution

1. Step 1: Write the proportion equation
   664,632 : 1,441,440 = 1,441,440 : x
2. Step 2: Convert to fraction form
   664,632/1,441,440 = 1,441,440/x
3. Step 3: Cross multiply
   664,632x = 1,441,440 × 1,441,440
4. Step 4: Simplify right side
   664,632x = 2,077,749,273,600
5. Step 5: Solve for x
   x = 2,077,749,273,600/664,632
6. Step 6: Final answer
   x = 3,126,164.97