Finding the Third Proportional to 243,314 and 325,466

Step by Step Solution

1. Step 1: Write the proportion equation
   243,314 : 325,466 = 325,466 : x
2. Step 2: Convert to fraction form
   243,314/325,466 = 325,466/x
3. Step 3: Cross multiply
   243,314x = 325,466 × 325,466
4. Step 4: Simplify right side
   243,314x = 105,928,117,156
5. Step 5: Solve for x
   x = 105,928,117,156/243,314
6. Step 6: Final answer
   x = 435,355.62