Finding the Third Proportional to 641,196 and 1,410,372

Step by Step Solution

1. Step 1: Write the proportion equation
   641,196 : 1,410,372 = 1,410,372 : x
2. Step 2: Convert to fraction form
   641,196/1,410,372 = 1,410,372/x
3. Step 3: Cross multiply
   641,196x = 1,410,372 × 1,410,372
4. Step 4: Simplify right side
   641,196x = 1,989,149,178,384
5. Step 5: Solve for x
   x = 1,989,149,178,384/641,196
6. Step 6: Final answer
   x = 3,102,248.26