Finding the Third Proportional to 322,461 and 483,637.50

Step by Step Solution

1. Step 1: Write the proportion equation
   322,461 : 483,637.50 = 483,637.50 : x
2. Step 2: Convert to fraction form
   322,461/483,637.50 = 483,637.50/x
3. Step 3: Cross multiply
   322,461x = 483,637.50 × 483,637.50
4. Step 4: Simplify right side
   322,461x = 233,905,231,406.25
5. Step 5: Solve for x
   x = 233,905,231,406.25/322,461
6. Step 6: Final answer
   x = 725,375.26