Finding the Third Proportional to 287,325 and 454,741.50

Step by Step Solution

1. Step 1: Write the proportion equation
   287,325 : 454,741.50 = 454,741.50 : x
2. Step 2: Convert to fraction form
   287,325/454,741.50 = 454,741.50/x
3. Step 3: Cross multiply
   287,325x = 454,741.50 × 454,741.50
4. Step 4: Simplify right side
   287,325x = 206,789,831,822.25
5. Step 5: Solve for x
   x = 206,789,831,822.25/287,325
6. Step 6: Final answer
   x = 719,707.06