Finding the Third Proportional to 454,268 and 661,683.50

Step by Step Solution

1. Step 1: Write the proportion equation
   454,268 : 661,683.50 = 661,683.50 : x
2. Step 2: Convert to fraction form
   454,268/661,683.50 = 661,683.50/x
3. Step 3: Cross multiply
   454,268x = 661,683.50 × 661,683.50
4. Step 4: Simplify right side
   454,268x = 437,825,054,172.25
5. Step 5: Solve for x
   x = 437,825,054,172.25/454,268
6. Step 6: Final answer
   x = 963,803.42