Finding the Third Proportional to 322,470 and 483,649.50

Step by Step Solution

1. Step 1: Write the proportion equation
   322,470 : 483,649.50 = 483,649.50 : x
2. Step 2: Convert to fraction form
   322,470/483,649.50 = 483,649.50/x
3. Step 3: Cross multiply
   322,470x = 483,649.50 × 483,649.50
4. Step 4: Simplify right side
   322,470x = 233,916,838,850.25
5. Step 5: Solve for x
   x = 233,916,838,850.25/322,470
6. Step 6: Final answer
   x = 725,391.01