Finding the Third Proportional to 443,944 and 695,668

Step by Step Solution

1. Step 1: Write the proportion equation
   443,944 : 695,668 = 695,668 : x
2. Step 2: Convert to fraction form
   443,944/695,668 = 695,668/x
3. Step 3: Cross multiply
   443,944x = 695,668 × 695,668
4. Step 4: Simplify right side
   443,944x = 483,953,966,224
5. Step 5: Solve for x
   x = 483,953,966,224/443,944
6. Step 6: Final answer
   x = 1,090,123.90