Finding the Third Proportional to 664,192 and 1,441,280

Step by Step Solution

1. Step 1: Write the proportion equation
   664,192 : 1,441,280 = 1,441,280 : x
2. Step 2: Convert to fraction form
   664,192/1,441,280 = 1,441,280/x
3. Step 3: Cross multiply
   664,192x = 1,441,280 × 1,441,280
4. Step 4: Simplify right side
   664,192x = 2,077,288,038,400
5. Step 5: Solve for x
   x = 2,077,288,038,400/664,192
6. Step 6: Final answer
   x = 3,127,541.49