Finding the Third Proportional to 664,160 and 1,441,216

Step by Step Solution

1. Step 1: Write the proportion equation
   664,160 : 1,441,216 = 1,441,216 : x
2. Step 2: Convert to fraction form
   664,160/1,441,216 = 1,441,216/x
3. Step 3: Cross multiply
   664,160x = 1,441,216 × 1,441,216
4. Step 4: Simplify right side
   664,160x = 2,077,103,558,656
5. Step 5: Solve for x
   x = 2,077,103,558,656/664,160
6. Step 6: Final answer
   x = 3,127,414.42