Finding the Third Proportional to 447,973.50 and 693,628

Step by Step Solution

1. Step 1: Write the proportion equation
   447,973.50 : 693,628 = 693,628 : x
2. Step 2: Convert to fraction form
   447,973.50/693,628 = 693,628/x
3. Step 3: Cross multiply
   447,973.50x = 693,628 × 693,628
4. Step 4: Simplify right side
   447,973.50x = 481,119,802,384
5. Step 5: Solve for x
   x = 481,119,802,384/447,973.50
6. Step 6: Final answer
   x = 1,073,991.66