Finding the Third Proportional to 102,673.50 and 216,465

Step by Step Solution

1. Step 1: Write the proportion equation
   102,673.50 : 216,465 = 216,465 : x
2. Step 2: Convert to fraction form
   102,673.50/216,465 = 216,465/x
3. Step 3: Cross multiply
   102,673.50x = 216,465 × 216,465
4. Step 4: Simplify right side
   102,673.50x = 46,857,096,225
5. Step 5: Solve for x
   x = 46,857,096,225/102,673.50
6. Step 6: Final answer
   x = 456,369.91