Finding the Third Proportional to 664,642 and 1,441,460

Step by Step Solution

1. Step 1: Write the proportion equation
   664,642 : 1,441,460 = 1,441,460 : x
2. Step 2: Convert to fraction form
   664,642/1,441,460 = 1,441,460/x
3. Step 3: Cross multiply
   664,642x = 1,441,460 × 1,441,460
4. Step 4: Simplify right side
   664,642x = 2,077,806,931,600
5. Step 5: Solve for x
   x = 2,077,806,931,600/664,642
6. Step 6: Final answer
   x = 3,126,204.68