Finding the Third Proportional to 446,323 and 624,268.50

Step by Step Solution

1. Step 1: Write the proportion equation
   446,323 : 624,268.50 = 624,268.50 : x
2. Step 2: Convert to fraction form
   446,323/624,268.50 = 624,268.50/x
3. Step 3: Cross multiply
   446,323x = 624,268.50 × 624,268.50
4. Step 4: Simplify right side
   446,323x = 389,711,160,092.25
5. Step 5: Solve for x
   x = 389,711,160,092.25/446,323
6. Step 6: Final answer
   x = 873,159.48