Finding the Third Proportional to 621,324 and 1,333,272

Step by Step Solution

1. Step 1: Write the proportion equation
   621,324 : 1,333,272 = 1,333,272 : x
2. Step 2: Convert to fraction form
   621,324/1,333,272 = 1,333,272/x
3. Step 3: Cross multiply
   621,324x = 1,333,272 × 1,333,272
4. Step 4: Simplify right side
   621,324x = 1,777,614,225,984
5. Step 5: Solve for x
   x = 1,777,614,225,984/621,324
6. Step 6: Final answer
   x = 2,861,010.08