Finding the Third Proportional to 621,326 and 1,333,276

Step by Step Solution

1. Step 1: Write the proportion equation
   621,326 : 1,333,276 = 1,333,276 : x
2. Step 2: Convert to fraction form
   621,326/1,333,276 = 1,333,276/x
3. Step 3: Cross multiply
   621,326x = 1,333,276 × 1,333,276
4. Step 4: Simplify right side
   621,326x = 1,777,624,892,176
5. Step 5: Solve for x
   x = 1,777,624,892,176/621,326
6. Step 6: Final answer
   x = 2,861,018.04